Home / 15,115.14-22,650.75-8,527.32

Finding the Fourth Proportional to 15,115.14, 22,650.75 and 8,527.32

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Solution

The fourth proportional to 15,115.14, 22,650.75 and 8,527.32 is: 12,778.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,115.14 : 22,650.75 = 8,527.32 : x
  2. Step 2: Convert to fraction form
    15,115.14/22,650.75 = 8,527.32/x
  3. Step 3: Cross multiply
    15,115.14x = 22,650.75 × 8,527.32
  4. Step 4: Simplify right side
    15,115.14x = 193,150,193.49
  5. Step 5: Solve for x
    x = 193,150,193.49/15,115.14
  6. Step 6: Final answer
    x = 12,778.59

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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.