Home / 10,187.98-15,284.18-3,167.87

Finding the Fourth Proportional to 10,187.98, 15,284.18 and 3,167.87

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Solution

The fourth proportional to 10,187.98, 15,284.18 and 3,167.87 is: 4,752.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.98 : 15,284.18 = 3,167.87 : x
  2. Step 2: Convert to fraction form
    10,187.98/15,284.18 = 3,167.87/x
  3. Step 3: Cross multiply
    10,187.98x = 15,284.18 × 3,167.87
  4. Step 4: Simplify right side
    10,187.98x = 48,418,208.98
  5. Step 5: Solve for x
    x = 48,418,208.98/10,187.98
  6. Step 6: Final answer
    x = 4,752.48

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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.