Home / 20,277.19-30,419.66-6,234.72

Finding the Fourth Proportional to 20,277.19, 30,419.66 and 6,234.72

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Solution

The fourth proportional to 20,277.19, 30,419.66 and 6,234.72 is: 9,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.19 : 30,419.66 = 6,234.72 : x
  2. Step 2: Convert to fraction form
    20,277.19/30,419.66 = 6,234.72/x
  3. Step 3: Cross multiply
    20,277.19x = 30,419.66 × 6,234.72
  4. Step 4: Simplify right side
    20,277.19x = 189,658,062.60
  5. Step 5: Solve for x
    x = 189,658,062.60/20,277.19
  6. Step 6: Final answer
    x = 9,353.27

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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.