Home / 10,890.46-15,028.54-6,174.73

Finding the Fourth Proportional to 10,890.46, 15,028.54 and 6,174.73

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Solution

The fourth proportional to 10,890.46, 15,028.54 and 6,174.73 is: 8,520.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,890.46 : 15,028.54 = 6,174.73 : x
  2. Step 2: Convert to fraction form
    10,890.46/15,028.54 = 6,174.73/x
  3. Step 3: Cross multiply
    10,890.46x = 15,028.54 × 6,174.73
  4. Step 4: Simplify right side
    10,890.46x = 92,797,176.79
  5. Step 5: Solve for x
    x = 92,797,176.79/10,890.46
  6. Step 6: Final answer
    x = 8,520.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.