Home / 16,580.72-22,874.20-9,505.52

Finding the Fourth Proportional to 16,580.72, 22,874.20 and 9,505.52

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Solution

The fourth proportional to 16,580.72, 22,874.20 and 9,505.52 is: 13,113.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,580.72 : 22,874.20 = 9,505.52 : x
  2. Step 2: Convert to fraction form
    16,580.72/22,874.20 = 9,505.52/x
  3. Step 3: Cross multiply
    16,580.72x = 22,874.20 × 9,505.52
  4. Step 4: Simplify right side
    16,580.72x = 217,431,165.58
  5. Step 5: Solve for x
    x = 217,431,165.58/16,580.72
  6. Step 6: Final answer
    x = 13,113.49

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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.