Home / 20,182.12-30,246.36-9,086.80

Finding the Fourth Proportional to 20,182.12, 30,246.36 and 9,086.80

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Solution

The fourth proportional to 20,182.12, 30,246.36 and 9,086.80 is: 13,618.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.12 : 30,246.36 = 9,086.80 : x
  2. Step 2: Convert to fraction form
    20,182.12/30,246.36 = 9,086.80/x
  3. Step 3: Cross multiply
    20,182.12x = 30,246.36 × 9,086.80
  4. Step 4: Simplify right side
    20,182.12x = 274,842,624.05
  5. Step 5: Solve for x
    x = 274,842,624.05/20,182.12
  6. Step 6: Final answer
    x = 13,618.12

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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.