Home / 17,658.43-26,446.13-8,278.25

Finding the Fourth Proportional to 17,658.43, 26,446.13 and 8,278.25

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Solution

The fourth proportional to 17,658.43, 26,446.13 and 8,278.25 is: 12,397.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,658.43 : 26,446.13 = 8,278.25 : x
  2. Step 2: Convert to fraction form
    17,658.43/26,446.13 = 8,278.25/x
  3. Step 3: Cross multiply
    17,658.43x = 26,446.13 × 8,278.25
  4. Step 4: Simplify right side
    17,658.43x = 218,927,664.39
  5. Step 5: Solve for x
    x = 218,927,664.39/17,658.43
  6. Step 6: Final answer
    x = 12,397.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.