Home / 16,230.54-22,398.15-9,158.46

Finding the Fourth Proportional to 16,230.54, 22,398.15 and 9,158.46

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Solution

The fourth proportional to 16,230.54, 22,398.15 and 9,158.46 is: 12,638.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,230.54 : 22,398.15 = 9,158.46 : x
  2. Step 2: Convert to fraction form
    16,230.54/22,398.15 = 9,158.46/x
  3. Step 3: Cross multiply
    16,230.54x = 22,398.15 × 9,158.46
  4. Step 4: Simplify right side
    16,230.54x = 205,132,560.85
  5. Step 5: Solve for x
    x = 205,132,560.85/16,230.54
  6. Step 6: Final answer
    x = 12,638.68

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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.