Home / 15,024.62-20,731.51-8,308.94

Finding the Fourth Proportional to 15,024.62, 20,731.51 and 8,308.94

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Solution

The fourth proportional to 15,024.62, 20,731.51 and 8,308.94 is: 11,464.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.62 : 20,731.51 = 8,308.94 : x
  2. Step 2: Convert to fraction form
    15,024.62/20,731.51 = 8,308.94/x
  3. Step 3: Cross multiply
    15,024.62x = 20,731.51 × 8,308.94
  4. Step 4: Simplify right side
    15,024.62x = 172,256,872.70
  5. Step 5: Solve for x
    x = 172,256,872.70/15,024.62
  6. Step 6: Final answer
    x = 11,464.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.