Home / 15,480.45-23,171.40-8,074.76

Finding the Fourth Proportional to 15,480.45, 23,171.40 and 8,074.76

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Solution

The fourth proportional to 15,480.45, 23,171.40 and 8,074.76 is: 12,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,480.45 : 23,171.40 = 8,074.76 : x
  2. Step 2: Convert to fraction form
    15,480.45/23,171.40 = 8,074.76/x
  3. Step 3: Cross multiply
    15,480.45x = 23,171.40 × 8,074.76
  4. Step 4: Simplify right side
    15,480.45x = 187,103,378.01
  5. Step 5: Solve for x
    x = 187,103,378.01/15,480.45
  6. Step 6: Final answer
    x = 12,086.43

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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.