Home / 18,490.92-25,517.34-10,107.42

Finding the Fourth Proportional to 18,490.92, 25,517.34 and 10,107.42

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Solution

The fourth proportional to 18,490.92, 25,517.34 and 10,107.42 is: 13,948.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,490.92 : 25,517.34 = 10,107.42 : x
  2. Step 2: Convert to fraction form
    18,490.92/25,517.34 = 10,107.42/x
  3. Step 3: Cross multiply
    18,490.92x = 25,517.34 × 10,107.42
  4. Step 4: Simplify right side
    18,490.92x = 257,914,472.66
  5. Step 5: Solve for x
    x = 257,914,472.66/18,490.92
  6. Step 6: Final answer
    x = 13,948.17

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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.