Home / 10,118.21-15,177.33-3,193.25

Finding the Fourth Proportional to 10,118.21, 15,177.33 and 3,193.25

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Solution

The fourth proportional to 10,118.21, 15,177.33 and 3,193.25 is: 4,789.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.21 : 15,177.33 = 3,193.25 : x
  2. Step 2: Convert to fraction form
    10,118.21/15,177.33 = 3,193.25/x
  3. Step 3: Cross multiply
    10,118.21x = 15,177.33 × 3,193.25
  4. Step 4: Simplify right side
    10,118.21x = 48,465,009.02
  5. Step 5: Solve for x
    x = 48,465,009.02/10,118.21
  6. Step 6: Final answer
    x = 4,789.88

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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.