Home / 11,531.57-17,288.54-9,551.12

Finding the Fourth Proportional to 11,531.57, 17,288.54 and 9,551.12

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Solution

The fourth proportional to 11,531.57, 17,288.54 and 9,551.12 is: 14,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,531.57 : 17,288.54 = 9,551.12 : x
  2. Step 2: Convert to fraction form
    11,531.57/17,288.54 = 9,551.12/x
  3. Step 3: Cross multiply
    11,531.57x = 17,288.54 × 9,551.12
  4. Step 4: Simplify right side
    11,531.57x = 165,124,821.78
  5. Step 5: Solve for x
    x = 165,124,821.78/11,531.57
  6. Step 6: Final answer
    x = 14,319.38

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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.