Home / 10,167.41-15,250.67-2,771.87

Finding the Fourth Proportional to 10,167.41, 15,250.67 and 2,771.87

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Solution

The fourth proportional to 10,167.41, 15,250.67 and 2,771.87 is: 4,157.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,167.41 : 15,250.67 = 2,771.87 : x
  2. Step 2: Convert to fraction form
    10,167.41/15,250.67 = 2,771.87/x
  3. Step 3: Cross multiply
    10,167.41x = 15,250.67 × 2,771.87
  4. Step 4: Simplify right side
    10,167.41x = 42,272,909.31
  5. Step 5: Solve for x
    x = 42,272,909.31/10,167.41
  6. Step 6: Final answer
    x = 4,157.69

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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.