Home / 8,864.12-12,221.10-7,264.97

Finding the Fourth Proportional to 8,864.12, 12,221.10 and 7,264.97

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Solution

The fourth proportional to 8,864.12, 12,221.10 and 7,264.97 is: 10,016.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.12 : 12,221.10 = 7,264.97 : x
  2. Step 2: Convert to fraction form
    8,864.12/12,221.10 = 7,264.97/x
  3. Step 3: Cross multiply
    8,864.12x = 12,221.10 × 7,264.97
  4. Step 4: Simplify right side
    8,864.12x = 88,785,863.76
  5. Step 5: Solve for x
    x = 88,785,863.76/8,864.12
  6. Step 6: Final answer
    x = 10,016.33

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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.