Home / 18,654.27-25,710.44-13,610.18

Finding the Fourth Proportional to 18,654.27, 25,710.44 and 13,610.18

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Solution

The fourth proportional to 18,654.27, 25,710.44 and 13,610.18 is: 18,758.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,654.27 : 25,710.44 = 13,610.18 : x
  2. Step 2: Convert to fraction form
    18,654.27/25,710.44 = 13,610.18/x
  3. Step 3: Cross multiply
    18,654.27x = 25,710.44 × 13,610.18
  4. Step 4: Simplify right side
    18,654.27x = 349,923,519.68
  5. Step 5: Solve for x
    x = 349,923,519.68/18,654.27
  6. Step 6: Final answer
    x = 18,758.36

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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.