Home / 11,007.40-16,511.10-6,629.80

Finding the Fourth Proportional to 11,007.40, 16,511.10 and 6,629.80

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Solution

The fourth proportional to 11,007.40, 16,511.10 and 6,629.80 is: 9,944.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,007.40 : 16,511.10 = 6,629.80 : x
  2. Step 2: Convert to fraction form
    11,007.40/16,511.10 = 6,629.80/x
  3. Step 3: Cross multiply
    11,007.40x = 16,511.10 × 6,629.80
  4. Step 4: Simplify right side
    11,007.40x = 109,465,290.78
  5. Step 5: Solve for x
    x = 109,465,290.78/11,007.40
  6. Step 6: Final answer
    x = 9,944.70

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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.