Home / 15,029.64-22,517.72-12,815.91

Finding the Fourth Proportional to 15,029.64, 22,517.72 and 12,815.91

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Solution

The fourth proportional to 15,029.64, 22,517.72 and 12,815.91 is: 19,201.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,029.64 : 22,517.72 = 12,815.91 : x
  2. Step 2: Convert to fraction form
    15,029.64/22,517.72 = 12,815.91/x
  3. Step 3: Cross multiply
    15,029.64x = 22,517.72 × 12,815.91
  4. Step 4: Simplify right side
    15,029.64x = 288,585,008.85
  5. Step 5: Solve for x
    x = 288,585,008.85/15,029.64
  6. Step 6: Final answer
    x = 19,201.06

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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.