Home / 18,726.74-25,842.39-10,229.09

Finding the Fourth Proportional to 18,726.74, 25,842.39 and 10,229.09

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Solution

The fourth proportional to 18,726.74, 25,842.39 and 10,229.09 is: 14,115.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,726.74 : 25,842.39 = 10,229.09 : x
  2. Step 2: Convert to fraction form
    18,726.74/25,842.39 = 10,229.09/x
  3. Step 3: Cross multiply
    18,726.74x = 25,842.39 × 10,229.09
  4. Step 4: Simplify right side
    18,726.74x = 264,344,133.13
  5. Step 5: Solve for x
    x = 264,344,133.13/18,726.74
  6. Step 6: Final answer
    x = 14,115.86

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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.