Home / 11,079.60-16,619.40-9,126.96

Finding the Fourth Proportional to 11,079.60, 16,619.40 and 9,126.96

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Solution

The fourth proportional to 11,079.60, 16,619.40 and 9,126.96 is: 13,690.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,079.60 : 16,619.40 = 9,126.96 : x
  2. Step 2: Convert to fraction form
    11,079.60/16,619.40 = 9,126.96/x
  3. Step 3: Cross multiply
    11,079.60x = 16,619.40 × 9,126.96
  4. Step 4: Simplify right side
    11,079.60x = 151,684,599.02
  5. Step 5: Solve for x
    x = 151,684,599.02/11,079.60
  6. Step 6: Final answer
    x = 13,690.44

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Similar ratio
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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.