Home / 15,012.92-22,519.38-5,781.08

Finding the Fourth Proportional to 15,012.92, 22,519.38 and 5,781.08

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Solution

The fourth proportional to 15,012.92, 22,519.38 and 5,781.08 is: 8,671.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,012.92 : 22,519.38 = 5,781.08 : x
  2. Step 2: Convert to fraction form
    15,012.92/22,519.38 = 5,781.08/x
  3. Step 3: Cross multiply
    15,012.92x = 22,519.38 × 5,781.08
  4. Step 4: Simplify right side
    15,012.92x = 130,186,337.33
  5. Step 5: Solve for x
    x = 130,186,337.33/15,012.92
  6. Step 6: Final answer
    x = 8,671.62

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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.