Home / 15,512.43-23,289.30-8,122.80

Finding the Fourth Proportional to 15,512.43, 23,289.30 and 8,122.80

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Solution

The fourth proportional to 15,512.43, 23,289.30 and 8,122.80 is: 12,195.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,512.43 : 23,289.30 = 8,122.80 : x
  2. Step 2: Convert to fraction form
    15,512.43/23,289.30 = 8,122.80/x
  3. Step 3: Cross multiply
    15,512.43x = 23,289.30 × 8,122.80
  4. Step 4: Simplify right side
    15,512.43x = 189,174,326.04
  5. Step 5: Solve for x
    x = 189,174,326.04/15,512.43
  6. Step 6: Final answer
    x = 12,195.02

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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.