Home / 11,728.32-17,575.92-10,338.72

Finding the Fourth Proportional to 11,728.32, 17,575.92 and 10,338.72

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Solution

The fourth proportional to 11,728.32, 17,575.92 and 10,338.72 is: 15,493.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,728.32 : 17,575.92 = 10,338.72 : x
  2. Step 2: Convert to fraction form
    11,728.32/17,575.92 = 10,338.72/x
  3. Step 3: Cross multiply
    11,728.32x = 17,575.92 × 10,338.72
  4. Step 4: Simplify right side
    11,728.32x = 181,712,515.62
  5. Step 5: Solve for x
    x = 181,712,515.62/11,728.32
  6. Step 6: Final answer
    x = 15,493.48

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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.