Home / 18,416.28-25,414.56-10,032.78

Finding the Fourth Proportional to 18,416.28, 25,414.56 and 10,032.78

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Solution

The fourth proportional to 18,416.28, 25,414.56 and 10,032.78 is: 13,845.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,416.28 : 25,414.56 = 10,032.78 : x
  2. Step 2: Convert to fraction form
    18,416.28/25,414.56 = 10,032.78/x
  3. Step 3: Cross multiply
    18,416.28x = 25,414.56 × 10,032.78
  4. Step 4: Simplify right side
    18,416.28x = 254,978,689.28
  5. Step 5: Solve for x
    x = 254,978,689.28/18,416.28
  6. Step 6: Final answer
    x = 13,845.29

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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.