Home / 15,024.68-20,733.88-8,310.80

Finding the Fourth Proportional to 15,024.68, 20,733.88 and 8,310.80

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Solution

The fourth proportional to 15,024.68, 20,733.88 and 8,310.80 is: 11,468.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,024.68 : 20,733.88 = 8,310.80 : x
  2. Step 2: Convert to fraction form
    15,024.68/20,733.88 = 8,310.80/x
  3. Step 3: Cross multiply
    15,024.68x = 20,733.88 × 8,310.80
  4. Step 4: Simplify right side
    15,024.68x = 172,315,129.90
  5. Step 5: Solve for x
    x = 172,315,129.90/15,024.68
  6. Step 6: Final answer
    x = 11,468.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.