Home / 20,291.76-30,433.14-6,249.48

Finding the Fourth Proportional to 20,291.76, 30,433.14 and 6,249.48

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Solution

The fourth proportional to 20,291.76, 30,433.14 and 6,249.48 is: 9,372.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,291.76 : 30,433.14 = 6,249.48 : x
  2. Step 2: Convert to fraction form
    20,291.76/30,433.14 = 6,249.48/x
  3. Step 3: Cross multiply
    20,291.76x = 30,433.14 × 6,249.48
  4. Step 4: Simplify right side
    20,291.76x = 190,191,299.77
  5. Step 5: Solve for x
    x = 190,191,299.77/20,291.76
  6. Step 6: Final answer
    x = 9,372.83

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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.