Home / 17,531.72-26,305.28-9,209.79

Finding the Fourth Proportional to 17,531.72, 26,305.28 and 9,209.79

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Solution

The fourth proportional to 17,531.72, 26,305.28 and 9,209.79 is: 13,818.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,531.72 : 26,305.28 = 9,209.79 : x
  2. Step 2: Convert to fraction form
    17,531.72/26,305.28 = 9,209.79/x
  3. Step 3: Cross multiply
    17,531.72x = 26,305.28 × 9,209.79
  4. Step 4: Simplify right side
    17,531.72x = 242,266,058.64
  5. Step 5: Solve for x
    x = 242,266,058.64/17,531.72
  6. Step 6: Final answer
    x = 13,818.73

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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.