Home / 8,957.24-12,332.76-8,126.87

Finding the Fourth Proportional to 8,957.24, 12,332.76 and 8,126.87

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Solution

The fourth proportional to 8,957.24, 12,332.76 and 8,126.87 is: 11,189.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,957.24 : 12,332.76 = 8,126.87 : x
  2. Step 2: Convert to fraction form
    8,957.24/12,332.76 = 8,126.87/x
  3. Step 3: Cross multiply
    8,957.24x = 12,332.76 × 8,126.87
  4. Step 4: Simplify right side
    8,957.24x = 100,226,713.96
  5. Step 5: Solve for x
    x = 100,226,713.96/8,957.24
  6. Step 6: Final answer
    x = 11,189.46

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Double scale
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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.