Home / 20,096.32-27,733.10-11,143.95

Finding the Fourth Proportional to 20,096.32, 27,733.10 and 11,143.95

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Solution

The fourth proportional to 20,096.32, 27,733.10 and 11,143.95 is: 15,378.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,096.32 : 27,733.10 = 11,143.95 : x
  2. Step 2: Convert to fraction form
    20,096.32/27,733.10 = 11,143.95/x
  3. Step 3: Cross multiply
    20,096.32x = 27,733.10 × 11,143.95
  4. Step 4: Simplify right side
    20,096.32x = 309,056,279.75
  5. Step 5: Solve for x
    x = 309,056,279.75/20,096.32
  6. Step 6: Final answer
    x = 15,378.75

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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.