Home / 16,766.11-23,140.65-9,691.57

Finding the Fourth Proportional to 16,766.11, 23,140.65 and 9,691.57

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Solution

The fourth proportional to 16,766.11, 23,140.65 and 9,691.57 is: 13,376.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,766.11 : 23,140.65 = 9,691.57 : x
  2. Step 2: Convert to fraction form
    16,766.11/23,140.65 = 9,691.57/x
  3. Step 3: Cross multiply
    16,766.11x = 23,140.65 × 9,691.57
  4. Step 4: Simplify right side
    16,766.11x = 224,269,229.32
  5. Step 5: Solve for x
    x = 224,269,229.32/16,766.11
  6. Step 6: Final answer
    x = 13,376.34

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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.