Home / 20,182.76-27,849.16-11,230.36

Finding the Fourth Proportional to 20,182.76, 27,849.16 and 11,230.36

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Solution

The fourth proportional to 20,182.76, 27,849.16 and 11,230.36 is: 15,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.76 : 27,849.16 = 11,230.36 : x
  2. Step 2: Convert to fraction form
    20,182.76/27,849.16 = 11,230.36/x
  3. Step 3: Cross multiply
    20,182.76x = 27,849.16 × 11,230.36
  4. Step 4: Simplify right side
    20,182.76x = 312,756,092.50
  5. Step 5: Solve for x
    x = 312,756,092.50/20,182.76
  6. Step 6: Final answer
    x = 15,496.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.