Home / 15,572.76-23,321.16-8,183.40

Finding the Fourth Proportional to 15,572.76, 23,321.16 and 8,183.40

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Solution

The fourth proportional to 15,572.76, 23,321.16 and 8,183.40 is: 12,255.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,572.76 : 23,321.16 = 8,183.40 : x
  2. Step 2: Convert to fraction form
    15,572.76/23,321.16 = 8,183.40/x
  3. Step 3: Cross multiply
    15,572.76x = 23,321.16 × 8,183.40
  4. Step 4: Simplify right side
    15,572.76x = 190,846,380.74
  5. Step 5: Solve for x
    x = 190,846,380.74/15,572.76
  6. Step 6: Final answer
    x = 12,255.14

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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.