Home / 11,432.97-17,080.18-7,239.40

Finding the Fourth Proportional to 11,432.97, 17,080.18 and 7,239.40

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Solution

The fourth proportional to 11,432.97, 17,080.18 and 7,239.40 is: 10,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,432.97 : 17,080.18 = 7,239.40 : x
  2. Step 2: Convert to fraction form
    11,432.97/17,080.18 = 7,239.40/x
  3. Step 3: Cross multiply
    11,432.97x = 17,080.18 × 7,239.40
  4. Step 4: Simplify right side
    11,432.97x = 123,650,194.29
  5. Step 5: Solve for x
    x = 123,650,194.29/11,432.97
  6. Step 6: Final answer
    x = 10,815.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.