Home / 12,237.84-18,356.76-3,003.84

Finding the Fourth Proportional to 12,237.84, 18,356.76 and 3,003.84

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Solution

The fourth proportional to 12,237.84, 18,356.76 and 3,003.84 is: 4,505.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,237.84 : 18,356.76 = 3,003.84 : x
  2. Step 2: Convert to fraction form
    12,237.84/18,356.76 = 3,003.84/x
  3. Step 3: Cross multiply
    12,237.84x = 18,356.76 × 3,003.84
  4. Step 4: Simplify right side
    12,237.84x = 55,140,769.96
  5. Step 5: Solve for x
    x = 55,140,769.96/12,237.84
  6. Step 6: Final answer
    x = 4,505.76

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.