Home / 11,279.85-16,909.46-4,349.13

Finding the Fourth Proportional to 11,279.85, 16,909.46 and 4,349.13

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Solution

The fourth proportional to 11,279.85, 16,909.46 and 4,349.13 is: 6,519.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.85 : 16,909.46 = 4,349.13 : x
  2. Step 2: Convert to fraction form
    11,279.85/16,909.46 = 4,349.13/x
  3. Step 3: Cross multiply
    11,279.85x = 16,909.46 × 4,349.13
  4. Step 4: Simplify right side
    11,279.85x = 73,541,418.02
  5. Step 5: Solve for x
    x = 73,541,418.02/11,279.85
  6. Step 6: Final answer
    x = 6,519.72

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1.5x scale

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.