Home / 13,212.95-18,234.41-7,244.84

Finding the Fourth Proportional to 13,212.95, 18,234.41 and 7,244.84

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Solution

The fourth proportional to 13,212.95, 18,234.41 and 7,244.84 is: 9,998.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,212.95 : 18,234.41 = 7,244.84 : x
  2. Step 2: Convert to fraction form
    13,212.95/18,234.41 = 7,244.84/x
  3. Step 3: Cross multiply
    13,212.95x = 18,234.41 × 7,244.84
  4. Step 4: Simplify right side
    13,212.95x = 132,105,255.55
  5. Step 5: Solve for x
    x = 132,105,255.55/13,212.95
  6. Step 6: Final answer
    x = 9,998.17

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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.