Home / 11,568.80-17,353.18-4,543.91

Finding the Fourth Proportional to 11,568.80, 17,353.18 and 4,543.91

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Solution

The fourth proportional to 11,568.80, 17,353.18 and 4,543.91 is: 6,815.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.80 : 17,353.18 = 4,543.91 : x
  2. Step 2: Convert to fraction form
    11,568.80/17,353.18 = 4,543.91/x
  3. Step 3: Cross multiply
    11,568.80x = 17,353.18 × 4,543.91
  4. Step 4: Simplify right side
    11,568.80x = 78,851,190.01
  5. Step 5: Solve for x
    x = 78,851,190.01/11,568.80
  6. Step 6: Final answer
    x = 6,815.85

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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.