Home / 8,864.42-12,221.54-7,265.18

Finding the Fourth Proportional to 8,864.42, 12,221.54 and 7,265.18

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Solution

The fourth proportional to 8,864.42, 12,221.54 and 7,265.18 is: 10,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,864.42 : 12,221.54 = 7,265.18 : x
  2. Step 2: Convert to fraction form
    8,864.42/12,221.54 = 7,265.18/x
  3. Step 3: Cross multiply
    8,864.42x = 12,221.54 × 7,265.18
  4. Step 4: Simplify right side
    8,864.42x = 88,791,687.98
  5. Step 5: Solve for x
    x = 88,791,687.98/8,864.42
  6. Step 6: Final answer
    x = 10,016.64

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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.