Home / 18,246.48-27,291.92-11,209.20

Finding the Fourth Proportional to 18,246.48, 27,291.92 and 11,209.20

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Solution

The fourth proportional to 18,246.48, 27,291.92 and 11,209.20 is: 16,766.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,246.48 : 27,291.92 = 11,209.20 : x
  2. Step 2: Convert to fraction form
    18,246.48/27,291.92 = 11,209.20/x
  3. Step 3: Cross multiply
    18,246.48x = 27,291.92 × 11,209.20
  4. Step 4: Simplify right side
    18,246.48x = 305,920,589.66
  5. Step 5: Solve for x
    x = 305,920,589.66/18,246.48
  6. Step 6: Final answer
    x = 16,766.01

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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.