Home / 11,014.07-15,207.42-6,770.91

Finding the Fourth Proportional to 11,014.07, 15,207.42 and 6,770.91

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Solution

The fourth proportional to 11,014.07, 15,207.42 and 6,770.91 is: 9,348.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,014.07 : 15,207.42 = 6,770.91 : x
  2. Step 2: Convert to fraction form
    11,014.07/15,207.42 = 6,770.91/x
  3. Step 3: Cross multiply
    11,014.07x = 15,207.42 × 6,770.91
  4. Step 4: Simplify right side
    11,014.07x = 102,968,129.18
  5. Step 5: Solve for x
    x = 102,968,129.18/11,014.07
  6. Step 6: Final answer
    x = 9,348.78

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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.