Home / 20,195.84-30,300.24-9,097.76

Finding the Fourth Proportional to 20,195.84, 30,300.24 and 9,097.76

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Solution

The fourth proportional to 20,195.84, 30,300.24 and 9,097.76 is: 13,649.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.84 : 30,300.24 = 9,097.76 : x
  2. Step 2: Convert to fraction form
    20,195.84/30,300.24 = 9,097.76/x
  3. Step 3: Cross multiply
    20,195.84x = 30,300.24 × 9,097.76
  4. Step 4: Simplify right side
    20,195.84x = 275,664,311.46
  5. Step 5: Solve for x
    x = 275,664,311.46/20,195.84
  6. Step 6: Final answer
    x = 13,649.56

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Half scale
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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.