Home / 16,279.88-24,422.99-6,919.79

Finding the Fourth Proportional to 16,279.88, 24,422.99 and 6,919.79

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Solution

The fourth proportional to 16,279.88, 24,422.99 and 6,919.79 is: 10,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,279.88 : 24,422.99 = 6,919.79 : x
  2. Step 2: Convert to fraction form
    16,279.88/24,422.99 = 6,919.79/x
  3. Step 3: Cross multiply
    16,279.88x = 24,422.99 × 6,919.79
  4. Step 4: Simplify right side
    16,279.88x = 169,001,805.26
  5. Step 5: Solve for x
    x = 169,001,805.26/16,279.88
  6. Step 6: Final answer
    x = 10,381.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.