Home / 20,291.41-30,425.42-6,247.66

Finding the Fourth Proportional to 20,291.41, 30,425.42 and 6,247.66

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Solution

The fourth proportional to 20,291.41, 30,425.42 and 6,247.66 is: 9,367.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291.41 : 30,425.42 = 6,247.66 : x
  2. Step 2: Convert to fraction form
    20,291.41/30,425.42 = 6,247.66/x
  3. Step 3: Cross multiply
    20,291.41x = 30,425.42 × 6,247.66
  4. Step 4: Simplify right side
    20,291.41x = 190,087,590.55
  5. Step 5: Solve for x
    x = 190,087,590.55/20,291.41
  6. Step 6: Final answer
    x = 9,367.88

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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.