Home / 15,011.92-22,517.88-5,780.08

Finding the Fourth Proportional to 15,011.92, 22,517.88 and 5,780.08

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Solution

The fourth proportional to 15,011.92, 22,517.88 and 5,780.08 is: 8,670.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,011.92 : 22,517.88 = 5,780.08 : x
  2. Step 2: Convert to fraction form
    15,011.92/22,517.88 = 5,780.08/x
  3. Step 3: Cross multiply
    15,011.92x = 22,517.88 × 5,780.08
  4. Step 4: Simplify right side
    15,011.92x = 130,155,147.83
  5. Step 5: Solve for x
    x = 130,155,147.83/15,011.92
  6. Step 6: Final answer
    x = 8,670.12

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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.