Home / 15,067.30-20,788.57-8,693.38

Finding the Fourth Proportional to 15,067.30, 20,788.57 and 8,693.38

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Solution

The fourth proportional to 15,067.30, 20,788.57 and 8,693.38 is: 11,994.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.30 : 20,788.57 = 8,693.38 : x
  2. Step 2: Convert to fraction form
    15,067.30/20,788.57 = 8,693.38/x
  3. Step 3: Cross multiply
    15,067.30x = 20,788.57 × 8,693.38
  4. Step 4: Simplify right side
    15,067.30x = 180,722,895.20
  5. Step 5: Solve for x
    x = 180,722,895.20/15,067.30
  6. Step 6: Final answer
    x = 11,994.38

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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.