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Finding the Fourth Proportional to 13,073.68, 18,037.70 and 7,407.52

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Solution

The fourth proportional to 13,073.68, 18,037.70 and 7,407.52 is: 10,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,073.68 : 18,037.70 = 7,407.52 : x
  2. Step 2: Convert to fraction form
    13,073.68/18,037.70 = 7,407.52/x
  3. Step 3: Cross multiply
    13,073.68x = 18,037.70 × 7,407.52
  4. Step 4: Simplify right side
    13,073.68x = 133,614,623.50
  5. Step 5: Solve for x
    x = 133,614,623.50/13,073.68
  6. Step 6: Final answer
    x = 10,220.12

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