Home / 10,242.68-15,351.87-9,061.70

Finding the Fourth Proportional to 10,242.68, 15,351.87 and 9,061.70

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Solution

The fourth proportional to 10,242.68, 15,351.87 and 9,061.70 is: 13,581.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,242.68 : 15,351.87 = 9,061.70 : x
  2. Step 2: Convert to fraction form
    10,242.68/15,351.87 = 9,061.70/x
  3. Step 3: Cross multiply
    10,242.68x = 15,351.87 × 9,061.70
  4. Step 4: Simplify right side
    10,242.68x = 139,114,040.38
  5. Step 5: Solve for x
    x = 139,114,040.38/10,242.68
  6. Step 6: Final answer
    x = 13,581.80

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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.