Home / 11,242.74-15,515.15-6,207.20

Finding the Fourth Proportional to 11,242.74, 15,515.15 and 6,207.20

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Solution

The fourth proportional to 11,242.74, 15,515.15 and 6,207.20 is: 8,566.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,242.74 : 15,515.15 = 6,207.20 : x
  2. Step 2: Convert to fraction form
    11,242.74/15,515.15 = 6,207.20/x
  3. Step 3: Cross multiply
    11,242.74x = 15,515.15 × 6,207.20
  4. Step 4: Simplify right side
    11,242.74x = 96,305,530.47
  5. Step 5: Solve for x
    x = 96,305,530.47/11,242.74
  6. Step 6: Final answer
    x = 8,566.02

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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.