Home / 17,867.12-24,676.38-13,882.18

Finding the Fourth Proportional to 17,867.12, 24,676.38 and 13,882.18

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Solution

The fourth proportional to 17,867.12, 24,676.38 and 13,882.18 is: 19,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,867.12 : 24,676.38 = 13,882.18 : x
  2. Step 2: Convert to fraction form
    17,867.12/24,676.38 = 13,882.18/x
  3. Step 3: Cross multiply
    17,867.12x = 24,676.38 × 13,882.18
  4. Step 4: Simplify right side
    17,867.12x = 342,561,948.91
  5. Step 5: Solve for x
    x = 342,561,948.91/17,867.12
  6. Step 6: Final answer
    x = 19,172.76

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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.