Home / 17,545.32-26,308.20-7,144.92

Finding the Fourth Proportional to 17,545.32, 26,308.20 and 7,144.92

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Solution

The fourth proportional to 17,545.32, 26,308.20 and 7,144.92 is: 10,713.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,545.32 : 26,308.20 = 7,144.92 : x
  2. Step 2: Convert to fraction form
    17,545.32/26,308.20 = 7,144.92/x
  3. Step 3: Cross multiply
    17,545.32x = 26,308.20 × 7,144.92
  4. Step 4: Simplify right side
    17,545.32x = 187,969,984.34
  5. Step 5: Solve for x
    x = 187,969,984.34/17,545.32
  6. Step 6: Final answer
    x = 10,713.40

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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.