Home / 10,925.25-16,387.92-3,999.75

Finding the Fourth Proportional to 10,925.25, 16,387.92 and 3,999.75

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Solution

The fourth proportional to 10,925.25, 16,387.92 and 3,999.75 is: 5,999.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,925.25 : 16,387.92 = 3,999.75 : x
  2. Step 2: Convert to fraction form
    10,925.25/16,387.92 = 3,999.75/x
  3. Step 3: Cross multiply
    10,925.25x = 16,387.92 × 3,999.75
  4. Step 4: Simplify right side
    10,925.25x = 65,547,583.02
  5. Step 5: Solve for x
    x = 65,547,583.02/10,925.25
  6. Step 6: Final answer
    x = 5,999.64

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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.