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Finding the Fourth Proportional to 17,375.40, 26,062.46 and 7,517.16

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Solution

The fourth proportional to 17,375.40, 26,062.46 and 7,517.16 is: 11,275.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,375.40 : 26,062.46 = 7,517.16 : x
  2. Step 2: Convert to fraction form
    17,375.40/26,062.46 = 7,517.16/x
  3. Step 3: Cross multiply
    17,375.40x = 26,062.46 × 7,517.16
  4. Step 4: Simplify right side
    17,375.40x = 195,915,681.81
  5. Step 5: Solve for x
    x = 195,915,681.81/17,375.40
  6. Step 6: Final answer
    x = 11,275.46

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1.5x scale

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.