Home / 11,242.82-15,514.88-6,207.20

Finding the Fourth Proportional to 11,242.82, 15,514.88 and 6,207.20

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Solution

The fourth proportional to 11,242.82, 15,514.88 and 6,207.20 is: 8,565.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.82 : 15,514.88 = 6,207.20 : x
  2. Step 2: Convert to fraction form
    11,242.82/15,514.88 = 6,207.20/x
  3. Step 3: Cross multiply
    11,242.82x = 15,514.88 × 6,207.20
  4. Step 4: Simplify right side
    11,242.82x = 96,303,854.53
  5. Step 5: Solve for x
    x = 96,303,854.53/11,242.82
  6. Step 6: Final answer
    x = 8,565.81

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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.