Home / 16,517.48-22,788.54-9,438.88

Finding the Fourth Proportional to 16,517.48, 22,788.54 and 9,438.88

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Solution

The fourth proportional to 16,517.48, 22,788.54 and 9,438.88 is: 13,022.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,517.48 : 22,788.54 = 9,438.88 : x
  2. Step 2: Convert to fraction form
    16,517.48/22,788.54 = 9,438.88/x
  3. Step 3: Cross multiply
    16,517.48x = 22,788.54 × 9,438.88
  4. Step 4: Simplify right side
    16,517.48x = 215,098,294.44
  5. Step 5: Solve for x
    x = 215,098,294.44/16,517.48
  6. Step 6: Final answer
    x = 13,022.46

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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.