Home / 10,067.80-15,087.30-7,414.60

Finding the Fourth Proportional to 10,067.80, 15,087.30 and 7,414.60

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Solution

The fourth proportional to 10,067.80, 15,087.30 and 7,414.60 is: 11,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,067.80 : 15,087.30 = 7,414.60 : x
  2. Step 2: Convert to fraction form
    10,067.80/15,087.30 = 7,414.60/x
  3. Step 3: Cross multiply
    10,067.80x = 15,087.30 × 7,414.60
  4. Step 4: Simplify right side
    10,067.80x = 111,866,294.58
  5. Step 5: Solve for x
    x = 111,866,294.58/10,067.80
  6. Step 6: Final answer
    x = 11,111.29

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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.