Home / 20,182.48-30,273.80-6,142.61

Finding the Fourth Proportional to 20,182.48, 30,273.80 and 6,142.61

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Solution

The fourth proportional to 20,182.48, 30,273.80 and 6,142.61 is: 9,213.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.48 : 30,273.80 = 6,142.61 : x
  2. Step 2: Convert to fraction form
    20,182.48/30,273.80 = 6,142.61/x
  3. Step 3: Cross multiply
    20,182.48x = 30,273.80 × 6,142.61
  4. Step 4: Simplify right side
    20,182.48x = 185,960,191.59
  5. Step 5: Solve for x
    x = 185,960,191.59/20,182.48
  6. Step 6: Final answer
    x = 9,213.94

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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.