Home / 10,631.40-15,947.70-3,236.10

Finding the Fourth Proportional to 10,631.40, 15,947.70 and 3,236.10

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Solution

The fourth proportional to 10,631.40, 15,947.70 and 3,236.10 is: 4,854.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,631.40 : 15,947.70 = 3,236.10 : x
  2. Step 2: Convert to fraction form
    10,631.40/15,947.70 = 3,236.10/x
  3. Step 3: Cross multiply
    10,631.40x = 15,947.70 × 3,236.10
  4. Step 4: Simplify right side
    10,631.40x = 51,608,351.97
  5. Step 5: Solve for x
    x = 51,608,351.97/10,631.40
  6. Step 6: Final answer
    x = 4,854.33

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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.