Home / 18,286.11-25,233.98-10,220.13

Finding the Fourth Proportional to 18,286.11, 25,233.98 and 10,220.13

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Solution

The fourth proportional to 18,286.11, 25,233.98 and 10,220.13 is: 14,103.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,286.11 : 25,233.98 = 10,220.13 : x
  2. Step 2: Convert to fraction form
    18,286.11/25,233.98 = 10,220.13/x
  3. Step 3: Cross multiply
    18,286.11x = 25,233.98 × 10,220.13
  4. Step 4: Simplify right side
    18,286.11x = 257,894,504.92
  5. Step 5: Solve for x
    x = 257,894,504.92/18,286.11
  6. Step 6: Final answer
    x = 14,103.30

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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.