Home / 20,708.06-31,062.59-7,560.44

Finding the Fourth Proportional to 20,708.06, 31,062.59 and 7,560.44

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Solution

The fourth proportional to 20,708.06, 31,062.59 and 7,560.44 is: 11,340.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,708.06 : 31,062.59 = 7,560.44 : x
  2. Step 2: Convert to fraction form
    20,708.06/31,062.59 = 7,560.44/x
  3. Step 3: Cross multiply
    20,708.06x = 31,062.59 × 7,560.44
  4. Step 4: Simplify right side
    20,708.06x = 234,846,799.66
  5. Step 5: Solve for x
    x = 234,846,799.66/20,708.06
  6. Step 6: Final answer
    x = 11,340.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.