Home / 10,272.25-15,408.43-2,876.75

Finding the Fourth Proportional to 10,272.25, 15,408.43 and 2,876.75

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Solution

The fourth proportional to 10,272.25, 15,408.43 and 2,876.75 is: 4,315.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,272.25 : 15,408.43 = 2,876.75 : x
  2. Step 2: Convert to fraction form
    10,272.25/15,408.43 = 2,876.75/x
  3. Step 3: Cross multiply
    10,272.25x = 15,408.43 × 2,876.75
  4. Step 4: Simplify right side
    10,272.25x = 44,326,174.55
  5. Step 5: Solve for x
    x = 44,326,174.55/10,272.25
  6. Step 6: Final answer
    x = 4,315.14

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1.5x scale

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.