Home / 11,020.22-15,207.68-6,239.80

Finding the Fourth Proportional to 11,020.22, 15,207.68 and 6,239.80

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Solution

The fourth proportional to 11,020.22, 15,207.68 and 6,239.80 is: 8,610.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.22 : 15,207.68 = 6,239.80 : x
  2. Step 2: Convert to fraction form
    11,020.22/15,207.68 = 6,239.80/x
  3. Step 3: Cross multiply
    11,020.22x = 15,207.68 × 6,239.80
  4. Step 4: Simplify right side
    11,020.22x = 94,892,805.63
  5. Step 5: Solve for x
    x = 94,892,805.63/11,020.22
  6. Step 6: Final answer
    x = 8,610.79

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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.