Home / 20,182.59-30,282.12-9,081.81

Finding the Fourth Proportional to 20,182.59, 30,282.12 and 9,081.81

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Solution

The fourth proportional to 20,182.59, 30,282.12 and 9,081.81 is: 13,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.59 : 30,282.12 = 9,081.81 : x
  2. Step 2: Convert to fraction form
    20,182.59/30,282.12 = 9,081.81/x
  3. Step 3: Cross multiply
    20,182.59x = 30,282.12 × 9,081.81
  4. Step 4: Simplify right side
    20,182.59x = 275,016,460.24
  5. Step 5: Solve for x
    x = 275,016,460.24/20,182.59
  6. Step 6: Final answer
    x = 13,626.42

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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.