Home / 9,966.10-14,949.15-3,399.70

Finding the Fourth Proportional to 9,966.10, 14,949.15 and 3,399.70

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Solution

The fourth proportional to 9,966.10, 14,949.15 and 3,399.70 is: 5,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,966.10 : 14,949.15 = 3,399.70 : x
  2. Step 2: Convert to fraction form
    9,966.10/14,949.15 = 3,399.70/x
  3. Step 3: Cross multiply
    9,966.10x = 14,949.15 × 3,399.70
  4. Step 4: Simplify right side
    9,966.10x = 50,822,625.26
  5. Step 5: Solve for x
    x = 50,822,625.26/9,966.10
  6. Step 6: Final answer
    x = 5,099.55

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Double scale
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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.