Home / 20,799.88-31,203.60-9,555.91

Finding the Fourth Proportional to 20,799.88, 31,203.60 and 9,555.91

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Solution

The fourth proportional to 20,799.88, 31,203.60 and 9,555.91 is: 14,335.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,799.88 : 31,203.60 = 9,555.91 : x
  2. Step 2: Convert to fraction form
    20,799.88/31,203.60 = 9,555.91/x
  3. Step 3: Cross multiply
    20,799.88x = 31,203.60 × 9,555.91
  4. Step 4: Simplify right side
    20,799.88x = 298,178,793.28
  5. Step 5: Solve for x
    x = 298,178,793.28/20,799.88
  6. Step 6: Final answer
    x = 14,335.60

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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.