Home / 18,279.20-25,230.08-10,726.64

Finding the Fourth Proportional to 18,279.20, 25,230.08 and 10,726.64

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Solution

The fourth proportional to 18,279.20, 25,230.08 and 10,726.64 is: 14,805.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,279.20 : 25,230.08 = 10,726.64 : x
  2. Step 2: Convert to fraction form
    18,279.20/25,230.08 = 10,726.64/x
  3. Step 3: Cross multiply
    18,279.20x = 25,230.08 × 10,726.64
  4. Step 4: Simplify right side
    18,279.20x = 270,633,985.33
  5. Step 5: Solve for x
    x = 270,633,985.33/18,279.20
  6. Step 6: Final answer
    x = 14,805.57

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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.