Home / 19,747.70-27,251.80-11,250.61

Finding the Fourth Proportional to 19,747.70, 27,251.80 and 11,250.61

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Solution

The fourth proportional to 19,747.70, 27,251.80 and 11,250.61 is: 15,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,747.70 : 27,251.80 = 11,250.61 : x
  2. Step 2: Convert to fraction form
    19,747.70/27,251.80 = 11,250.61/x
  3. Step 3: Cross multiply
    19,747.70x = 27,251.80 × 11,250.61
  4. Step 4: Simplify right side
    19,747.70x = 306,599,373.60
  5. Step 5: Solve for x
    x = 306,599,373.60/19,747.70
  6. Step 6: Final answer
    x = 15,525.83

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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.