Home / 16,229.55-22,396.85-9,515.28

Finding the Fourth Proportional to 16,229.55, 22,396.85 and 9,515.28

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Solution

The fourth proportional to 16,229.55, 22,396.85 and 9,515.28 is: 13,131.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,229.55 : 22,396.85 = 9,515.28 : x
  2. Step 2: Convert to fraction form
    16,229.55/22,396.85 = 9,515.28/x
  3. Step 3: Cross multiply
    16,229.55x = 22,396.85 × 9,515.28
  4. Step 4: Simplify right side
    16,229.55x = 213,112,298.87
  5. Step 5: Solve for x
    x = 213,112,298.87/16,229.55
  6. Step 6: Final answer
    x = 13,131.13

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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.