Home / 25,457.31-38,170.60-11,414.79

Finding the Fourth Proportional to 25,457.31, 38,170.60 and 11,414.79

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Solution

The fourth proportional to 25,457.31, 38,170.60 and 11,414.79 is: 17,115.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,457.31 : 38,170.60 = 11,414.79 : x
  2. Step 2: Convert to fraction form
    25,457.31/38,170.60 = 11,414.79/x
  3. Step 3: Cross multiply
    25,457.31x = 38,170.60 × 11,414.79
  4. Step 4: Simplify right side
    25,457.31x = 435,709,383.17
  5. Step 5: Solve for x
    x = 435,709,383.17/25,457.31
  6. Step 6: Final answer
    x = 17,115.30

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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.