Home / 10,331.11-15,426.62-8,114.95

Finding the Fourth Proportional to 10,331.11, 15,426.62 and 8,114.95

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Solution

The fourth proportional to 10,331.11, 15,426.62 and 8,114.95 is: 12,117.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,331.11 : 15,426.62 = 8,114.95 : x
  2. Step 2: Convert to fraction form
    10,331.11/15,426.62 = 8,114.95/x
  3. Step 3: Cross multiply
    10,331.11x = 15,426.62 × 8,114.95
  4. Step 4: Simplify right side
    10,331.11x = 125,186,249.97
  5. Step 5: Solve for x
    x = 125,186,249.97/10,331.11
  6. Step 6: Final answer
    x = 12,117.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.