Home / 11,799.40-17,701.49-3,902.50

Finding the Fourth Proportional to 11,799.40, 17,701.49 and 3,902.50

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Solution

The fourth proportional to 11,799.40, 17,701.49 and 3,902.50 is: 5,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,799.40 : 17,701.49 = 3,902.50 : x
  2. Step 2: Convert to fraction form
    11,799.40/17,701.49 = 3,902.50/x
  3. Step 3: Cross multiply
    11,799.40x = 17,701.49 × 3,902.50
  4. Step 4: Simplify right side
    11,799.40x = 69,080,124.44
  5. Step 5: Solve for x
    x = 69,080,124.44/11,799.40
  6. Step 6: Final answer
    x = 5,854.55

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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.