Home / 20,164.76-30,247.82-5,373.68

Finding the Fourth Proportional to 20,164.76, 30,247.82 and 5,373.68

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Solution

The fourth proportional to 20,164.76, 30,247.82 and 5,373.68 is: 8,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.76 : 30,247.82 = 5,373.68 : x
  2. Step 2: Convert to fraction form
    20,164.76/30,247.82 = 5,373.68/x
  3. Step 3: Cross multiply
    20,164.76x = 30,247.82 × 5,373.68
  4. Step 4: Simplify right side
    20,164.76x = 162,542,105.38
  5. Step 5: Solve for x
    x = 162,542,105.38/20,164.76
  6. Step 6: Final answer
    x = 8,060.70

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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.