Home / 11,297.42-15,590.41-6,517.29

Finding the Fourth Proportional to 11,297.42, 15,590.41 and 6,517.29

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Solution

The fourth proportional to 11,297.42, 15,590.41 and 6,517.29 is: 8,993.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,297.42 : 15,590.41 = 6,517.29 : x
  2. Step 2: Convert to fraction form
    11,297.42/15,590.41 = 6,517.29/x
  3. Step 3: Cross multiply
    11,297.42x = 15,590.41 × 6,517.29
  4. Step 4: Simplify right side
    11,297.42x = 101,607,265.36
  5. Step 5: Solve for x
    x = 101,607,265.36/11,297.42
  6. Step 6: Final answer
    x = 8,993.85

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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.