Home / 20,229.46-27,917.01-11,275.99

Finding the Fourth Proportional to 20,229.46, 27,917.01 and 11,275.99

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Solution

The fourth proportional to 20,229.46, 27,917.01 and 11,275.99 is: 15,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,229.46 : 27,917.01 = 11,275.99 : x
  2. Step 2: Convert to fraction form
    20,229.46/27,917.01 = 11,275.99/x
  3. Step 3: Cross multiply
    20,229.46x = 27,917.01 × 11,275.99
  4. Step 4: Simplify right side
    20,229.46x = 314,791,855.80
  5. Step 5: Solve for x
    x = 314,791,855.80/20,229.46
  6. Step 6: Final answer
    x = 15,561.06

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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.