Home / 20,327.18-30,491.76-6,296.90

Finding the Fourth Proportional to 20,327.18, 30,491.76 and 6,296.90

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Solution

The fourth proportional to 20,327.18, 30,491.76 and 6,296.90 is: 9,445.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,327.18 : 30,491.76 = 6,296.90 : x
  2. Step 2: Convert to fraction form
    20,327.18/30,491.76 = 6,296.90/x
  3. Step 3: Cross multiply
    20,327.18x = 30,491.76 × 6,296.90
  4. Step 4: Simplify right side
    20,327.18x = 192,003,563.54
  5. Step 5: Solve for x
    x = 192,003,563.54/20,327.18
  6. Step 6: Final answer
    x = 9,445.66

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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.