Home / 10,187.24-15,280.85-2,791.73

Finding the Fourth Proportional to 10,187.24, 15,280.85 and 2,791.73

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Solution

The fourth proportional to 10,187.24, 15,280.85 and 2,791.73 is: 4,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,187.24 : 15,280.85 = 2,791.73 : x
  2. Step 2: Convert to fraction form
    10,187.24/15,280.85 = 2,791.73/x
  3. Step 3: Cross multiply
    10,187.24x = 15,280.85 × 2,791.73
  4. Step 4: Simplify right side
    10,187.24x = 42,660,052.55
  5. Step 5: Solve for x
    x = 42,660,052.55/10,187.24
  6. Step 6: Final answer
    x = 4,187.60

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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.