Home / 20,081.19-30,132.11-9,563.14

Finding the Fourth Proportional to 20,081.19, 30,132.11 and 9,563.14

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Solution

The fourth proportional to 20,081.19, 30,132.11 and 9,563.14 is: 14,349.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,081.19 : 30,132.11 = 9,563.14 : x
  2. Step 2: Convert to fraction form
    20,081.19/30,132.11 = 9,563.14/x
  3. Step 3: Cross multiply
    20,081.19x = 30,132.11 × 9,563.14
  4. Step 4: Simplify right side
    20,081.19x = 288,157,535.00
  5. Step 5: Solve for x
    x = 288,157,535.00/20,081.19
  6. Step 6: Final answer
    x = 14,349.62

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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.