Home / 11,170.76-15,419.70-6,922.53

Finding the Fourth Proportional to 11,170.76, 15,419.70 and 6,922.53

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Solution

The fourth proportional to 11,170.76, 15,419.70 and 6,922.53 is: 9,555.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,170.76 : 15,419.70 = 6,922.53 : x
  2. Step 2: Convert to fraction form
    11,170.76/15,419.70 = 6,922.53/x
  3. Step 3: Cross multiply
    11,170.76x = 15,419.70 × 6,922.53
  4. Step 4: Simplify right side
    11,170.76x = 106,743,335.84
  5. Step 5: Solve for x
    x = 106,743,335.84/11,170.76
  6. Step 6: Final answer
    x = 9,555.61

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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.