Home / 20,277.46-30,419.09-6,238.66

Finding the Fourth Proportional to 20,277.46, 30,419.09 and 6,238.66

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Solution

The fourth proportional to 20,277.46, 30,419.09 and 6,238.66 is: 9,358.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,277.46 : 30,419.09 = 6,238.66 : x
  2. Step 2: Convert to fraction form
    20,277.46/30,419.09 = 6,238.66/x
  3. Step 3: Cross multiply
    20,277.46x = 30,419.09 × 6,238.66
  4. Step 4: Simplify right side
    20,277.46x = 189,774,360.02
  5. Step 5: Solve for x
    x = 189,774,360.02/20,277.46
  6. Step 6: Final answer
    x = 9,358.88

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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.