Home / 20,164.20-30,249.48-5,374.30

Finding the Fourth Proportional to 20,164.20, 30,249.48 and 5,374.30

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Solution

The fourth proportional to 20,164.20, 30,249.48 and 5,374.30 is: 8,062.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.20 : 30,249.48 = 5,374.30 : x
  2. Step 2: Convert to fraction form
    20,164.20/30,249.48 = 5,374.30/x
  3. Step 3: Cross multiply
    20,164.20x = 30,249.48 × 5,374.30
  4. Step 4: Simplify right side
    20,164.20x = 162,569,780.36
  5. Step 5: Solve for x
    x = 162,569,780.36/20,164.20
  6. Step 6: Final answer
    x = 8,062.30

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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.