Home / 12,425.15-18,627.19-5,399.88

Finding the Fourth Proportional to 12,425.15, 18,627.19 and 5,399.88

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Solution

The fourth proportional to 12,425.15, 18,627.19 and 5,399.88 is: 8,095.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,425.15 : 18,627.19 = 5,399.88 : x
  2. Step 2: Convert to fraction form
    12,425.15/18,627.19 = 5,399.88/x
  3. Step 3: Cross multiply
    12,425.15x = 18,627.19 × 5,399.88
  4. Step 4: Simplify right side
    12,425.15x = 100,584,590.74
  5. Step 5: Solve for x
    x = 100,584,590.74/12,425.15
  6. Step 6: Final answer
    x = 8,095.24

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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.