Home / 10,414.47-15,621.54-2,516.91

Finding the Fourth Proportional to 10,414.47, 15,621.54 and 2,516.91

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Solution

The fourth proportional to 10,414.47, 15,621.54 and 2,516.91 is: 3,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,414.47 : 15,621.54 = 2,516.91 : x
  2. Step 2: Convert to fraction form
    10,414.47/15,621.54 = 2,516.91/x
  3. Step 3: Cross multiply
    10,414.47x = 15,621.54 × 2,516.91
  4. Step 4: Simplify right side
    10,414.47x = 39,318,010.24
  5. Step 5: Solve for x
    x = 39,318,010.24/10,414.47
  6. Step 6: Final answer
    x = 3,775.33

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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.