Home / 10,355.29-15,517.57-7,605.85

Finding the Fourth Proportional to 10,355.29, 15,517.57 and 7,605.85

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Solution

The fourth proportional to 10,355.29, 15,517.57 and 7,605.85 is: 11,397.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.29 : 15,517.57 = 7,605.85 : x
  2. Step 2: Convert to fraction form
    10,355.29/15,517.57 = 7,605.85/x
  3. Step 3: Cross multiply
    10,355.29x = 15,517.57 × 7,605.85
  4. Step 4: Simplify right side
    10,355.29x = 118,024,280.50
  5. Step 5: Solve for x
    x = 118,024,280.50/10,355.29
  6. Step 6: Final answer
    x = 11,397.49

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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.