Home / 10,685.62-16,029.72-4,449.86

Finding the Fourth Proportional to 10,685.62, 16,029.72 and 4,449.86

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Solution

The fourth proportional to 10,685.62, 16,029.72 and 4,449.86 is: 6,675.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,685.62 : 16,029.72 = 4,449.86 : x
  2. Step 2: Convert to fraction form
    10,685.62/16,029.72 = 4,449.86/x
  3. Step 3: Cross multiply
    10,685.62x = 16,029.72 × 4,449.86
  4. Step 4: Simplify right side
    10,685.62x = 71,330,047.40
  5. Step 5: Solve for x
    x = 71,330,047.40/10,685.62
  6. Step 6: Final answer
    x = 6,675.33

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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.