Home / 20,182.38-27,850.95-11,798.70

Finding the Fourth Proportional to 20,182.38, 27,850.95 and 11,798.70

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Solution

The fourth proportional to 20,182.38, 27,850.95 and 11,798.70 is: 16,281.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,182.38 : 27,850.95 = 11,798.70 : x
  2. Step 2: Convert to fraction form
    20,182.38/27,850.95 = 11,798.70/x
  3. Step 3: Cross multiply
    20,182.38x = 27,850.95 × 11,798.70
  4. Step 4: Simplify right side
    20,182.38x = 328,605,003.77
  5. Step 5: Solve for x
    x = 328,605,003.77/20,182.38
  6. Step 6: Final answer
    x = 16,281.78

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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.