Home / 15,499.95-23,251.34-6,138.78

Finding the Fourth Proportional to 15,499.95, 23,251.34 and 6,138.78

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Solution

The fourth proportional to 15,499.95, 23,251.34 and 6,138.78 is: 9,208.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.95 : 23,251.34 = 6,138.78 : x
  2. Step 2: Convert to fraction form
    15,499.95/23,251.34 = 6,138.78/x
  3. Step 3: Cross multiply
    15,499.95x = 23,251.34 × 6,138.78
  4. Step 4: Simplify right side
    15,499.95x = 142,734,860.97
  5. Step 5: Solve for x
    x = 142,734,860.97/15,499.95
  6. Step 6: Final answer
    x = 9,208.73

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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.