Home / 15,025.23-20,734.23-8,310.42

Finding the Fourth Proportional to 15,025.23, 20,734.23 and 8,310.42

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Solution

The fourth proportional to 15,025.23, 20,734.23 and 8,310.42 is: 11,468.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,025.23 : 20,734.23 = 8,310.42 : x
  2. Step 2: Convert to fraction form
    15,025.23/20,734.23 = 8,310.42/x
  3. Step 3: Cross multiply
    15,025.23x = 20,734.23 × 8,310.42
  4. Step 4: Simplify right side
    15,025.23x = 172,310,159.68
  5. Step 5: Solve for x
    x = 172,310,159.68/15,025.23
  6. Step 6: Final answer
    x = 11,468.05

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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.