Home / 16,316.62-22,516.14-9,145.66

Finding the Fourth Proportional to 16,316.62, 22,516.14 and 9,145.66

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Solution

The fourth proportional to 16,316.62, 22,516.14 and 9,145.66 is: 12,620.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,316.62 : 22,516.14 = 9,145.66 : x
  2. Step 2: Convert to fraction form
    16,316.62/22,516.14 = 9,145.66/x
  3. Step 3: Cross multiply
    16,316.62x = 22,516.14 × 9,145.66
  4. Step 4: Simplify right side
    16,316.62x = 205,924,960.95
  5. Step 5: Solve for x
    x = 205,924,960.95/16,316.62
  6. Step 6: Final answer
    x = 12,620.56

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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.