Home / 18,326.38-25,290.48-9,942.88

Finding the Fourth Proportional to 18,326.38, 25,290.48 and 9,942.88

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Solution

The fourth proportional to 18,326.38, 25,290.48 and 9,942.88 is: 13,721.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.38 : 25,290.48 = 9,942.88 : x
  2. Step 2: Convert to fraction form
    18,326.38/25,290.48 = 9,942.88/x
  3. Step 3: Cross multiply
    18,326.38x = 25,290.48 × 9,942.88
  4. Step 4: Simplify right side
    18,326.38x = 251,460,207.78
  5. Step 5: Solve for x
    x = 251,460,207.78/18,326.38
  6. Step 6: Final answer
    x = 13,721.22

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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.