Home / 20,327.20-30,470.01-13,754.08

Finding the Fourth Proportional to 20,327.20, 30,470.01 and 13,754.08

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Solution

The fourth proportional to 20,327.20, 30,470.01 and 13,754.08 is: 20,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.20 : 30,470.01 = 13,754.08 : x
  2. Step 2: Convert to fraction form
    20,327.20/30,470.01 = 13,754.08/x
  3. Step 3: Cross multiply
    20,327.20x = 30,470.01 × 13,754.08
  4. Step 4: Simplify right side
    20,327.20x = 419,086,955.14
  5. Step 5: Solve for x
    x = 419,086,955.14/20,327.20
  6. Step 6: Final answer
    x = 20,617.05

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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.