Home / 11,279.60-16,909.08-4,348.88

Finding the Fourth Proportional to 11,279.60, 16,909.08 and 4,348.88

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Solution

The fourth proportional to 11,279.60, 16,909.08 and 4,348.88 is: 6,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,279.60 : 16,909.08 = 4,348.88 : x
  2. Step 2: Convert to fraction form
    11,279.60/16,909.08 = 4,348.88/x
  3. Step 3: Cross multiply
    11,279.60x = 16,909.08 × 4,348.88
  4. Step 4: Simplify right side
    11,279.60x = 73,535,559.83
  5. Step 5: Solve for x
    x = 73,535,559.83/11,279.60
  6. Step 6: Final answer
    x = 6,519.34

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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.