Home / 20,534.20-30,752.70-13,924.60

Finding the Fourth Proportional to 20,534.20, 30,752.70 and 13,924.60

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Solution

The fourth proportional to 20,534.20, 30,752.70 and 13,924.60 is: 20,853.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534.20 : 30,752.70 = 13,924.60 : x
  2. Step 2: Convert to fraction form
    20,534.20/30,752.70 = 13,924.60/x
  3. Step 3: Cross multiply
    20,534.20x = 30,752.70 × 13,924.60
  4. Step 4: Simplify right side
    20,534.20x = 428,219,046.42
  5. Step 5: Solve for x
    x = 428,219,046.42/20,534.20
  6. Step 6: Final answer
    x = 20,853.94

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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.