Home / 10,157.25-15,230.61-3,919.44

Finding the Fourth Proportional to 10,157.25, 15,230.61 and 3,919.44

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Solution

The fourth proportional to 10,157.25, 15,230.61 and 3,919.44 is: 5,877.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.25 : 15,230.61 = 3,919.44 : x
  2. Step 2: Convert to fraction form
    10,157.25/15,230.61 = 3,919.44/x
  3. Step 3: Cross multiply
    10,157.25x = 15,230.61 × 3,919.44
  4. Step 4: Simplify right side
    10,157.25x = 59,695,462.06
  5. Step 5: Solve for x
    x = 59,695,462.06/10,157.25
  6. Step 6: Final answer
    x = 5,877.13

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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.