Home / 18,326.19-25,290.14-9,942.69

Finding the Fourth Proportional to 18,326.19, 25,290.14 and 9,942.69

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Solution

The fourth proportional to 18,326.19, 25,290.14 and 9,942.69 is: 13,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.19 : 25,290.14 = 9,942.69 : x
  2. Step 2: Convert to fraction form
    18,326.19/25,290.14 = 9,942.69/x
  3. Step 3: Cross multiply
    18,326.19x = 25,290.14 × 9,942.69
  4. Step 4: Simplify right side
    18,326.19x = 251,451,972.36
  5. Step 5: Solve for x
    x = 251,451,972.36/18,326.19
  6. Step 6: Final answer
    x = 13,720.91

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Similar ratio
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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.