Home / 11,444.55-17,162.29-7,747.84

Finding the Fourth Proportional to 11,444.55, 17,162.29 and 7,747.84

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Solution

The fourth proportional to 11,444.55, 17,162.29 and 7,747.84 is: 11,618.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,444.55 : 17,162.29 = 7,747.84 : x
  2. Step 2: Convert to fraction form
    11,444.55/17,162.29 = 7,747.84/x
  3. Step 3: Cross multiply
    11,444.55x = 17,162.29 × 7,747.84
  4. Step 4: Simplify right side
    11,444.55x = 132,970,676.95
  5. Step 5: Solve for x
    x = 132,970,676.95/11,444.55
  6. Step 6: Final answer
    x = 11,618.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.