Home / 13,212.84-18,233.68-7,244.76

Finding the Fourth Proportional to 13,212.84, 18,233.68 and 7,244.76

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Solution

The fourth proportional to 13,212.84, 18,233.68 and 7,244.76 is: 9,997.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.84 : 18,233.68 = 7,244.76 : x
  2. Step 2: Convert to fraction form
    13,212.84/18,233.68 = 7,244.76/x
  3. Step 3: Cross multiply
    13,212.84x = 18,233.68 × 7,244.76
  4. Step 4: Simplify right side
    13,212.84x = 132,098,635.52
  5. Step 5: Solve for x
    x = 132,098,635.52/13,212.84
  6. Step 6: Final answer
    x = 9,997.75

Related Problems

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Half scale
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Double scale
Find fourth proportional to 13,213.84, 18,235.06 and 7,245.76
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.