Home / 20,357.20-30,540.17-6,316.93

Finding the Fourth Proportional to 20,357.20, 30,540.17 and 6,316.93

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Solution

The fourth proportional to 20,357.20, 30,540.17 and 6,316.93 is: 9,476.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,357.20 : 30,540.17 = 6,316.93 : x
  2. Step 2: Convert to fraction form
    20,357.20/30,540.17 = 6,316.93/x
  3. Step 3: Cross multiply
    20,357.20x = 30,540.17 × 6,316.93
  4. Step 4: Simplify right side
    20,357.20x = 192,920,116.08
  5. Step 5: Solve for x
    x = 192,920,116.08/20,357.20
  6. Step 6: Final answer
    x = 9,476.75

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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.