Home / 15,067.32-20,792.31-8,353.05

Finding the Fourth Proportional to 15,067.32, 20,792.31 and 8,353.05

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Solution

The fourth proportional to 15,067.32, 20,792.31 and 8,353.05 is: 11,526.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,067.32 : 20,792.31 = 8,353.05 : x
  2. Step 2: Convert to fraction form
    15,067.32/20,792.31 = 8,353.05/x
  3. Step 3: Cross multiply
    15,067.32x = 20,792.31 × 8,353.05
  4. Step 4: Simplify right side
    15,067.32x = 173,679,205.05
  5. Step 5: Solve for x
    x = 173,679,205.05/15,067.32
  6. Step 6: Final answer
    x = 11,526.88

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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.