Home / 11,586.76-17,376.48-3,793.78

Finding the Fourth Proportional to 11,586.76, 17,376.48 and 3,793.78

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Solution

The fourth proportional to 11,586.76, 17,376.48 and 3,793.78 is: 5,689.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,586.76 : 17,376.48 = 3,793.78 : x
  2. Step 2: Convert to fraction form
    11,586.76/17,376.48 = 3,793.78/x
  3. Step 3: Cross multiply
    11,586.76x = 17,376.48 × 3,793.78
  4. Step 4: Simplify right side
    11,586.76x = 65,922,542.29
  5. Step 5: Solve for x
    x = 65,922,542.29/11,586.76
  6. Step 6: Final answer
    x = 5,689.47

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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.