Home / 16,458.14-22,712.46-9,385.22

Finding the Fourth Proportional to 16,458.14, 22,712.46 and 9,385.22

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Solution

The fourth proportional to 16,458.14, 22,712.46 and 9,385.22 is: 12,951.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,458.14 : 22,712.46 = 9,385.22 : x
  2. Step 2: Convert to fraction form
    16,458.14/22,712.46 = 9,385.22/x
  3. Step 3: Cross multiply
    16,458.14x = 22,712.46 × 9,385.22
  4. Step 4: Simplify right side
    16,458.14x = 213,161,433.84
  5. Step 5: Solve for x
    x = 213,161,433.84/16,458.14
  6. Step 6: Final answer
    x = 12,951.73

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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.