Home / 17,624.61-26,446.20-7,770.69

Finding the Fourth Proportional to 17,624.61, 26,446.20 and 7,770.69

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Solution

The fourth proportional to 17,624.61, 26,446.20 and 7,770.69 is: 11,660.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,624.61 : 26,446.20 = 7,770.69 : x
  2. Step 2: Convert to fraction form
    17,624.61/26,446.20 = 7,770.69/x
  3. Step 3: Cross multiply
    17,624.61x = 26,446.20 × 7,770.69
  4. Step 4: Simplify right side
    17,624.61x = 205,505,221.88
  5. Step 5: Solve for x
    x = 205,505,221.88/17,624.61
  6. Step 6: Final answer
    x = 11,660.13

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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.