Home / 20,195.50-30,298.17-6,344.50

Finding the Fourth Proportional to 20,195.50, 30,298.17 and 6,344.50

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Solution

The fourth proportional to 20,195.50, 30,298.17 and 6,344.50 is: 9,518.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,195.50 : 30,298.17 = 6,344.50 : x
  2. Step 2: Convert to fraction form
    20,195.50/30,298.17 = 6,344.50/x
  3. Step 3: Cross multiply
    20,195.50x = 30,298.17 × 6,344.50
  4. Step 4: Simplify right side
    20,195.50x = 192,226,739.57
  5. Step 5: Solve for x
    x = 192,226,739.57/20,195.50
  6. Step 6: Final answer
    x = 9,518.30

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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.