Home / 17,657.13-26,489.34-5,177.55

Finding the Fourth Proportional to 17,657.13, 26,489.34 and 5,177.55

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Solution

The fourth proportional to 17,657.13, 26,489.34 and 5,177.55 is: 7,767.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,657.13 : 26,489.34 = 5,177.55 : x
  2. Step 2: Convert to fraction form
    17,657.13/26,489.34 = 5,177.55/x
  3. Step 3: Cross multiply
    17,657.13x = 26,489.34 × 5,177.55
  4. Step 4: Simplify right side
    17,657.13x = 137,149,882.32
  5. Step 5: Solve for x
    x = 137,149,882.32/17,657.13
  6. Step 6: Final answer
    x = 7,767.39

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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.