Home / 9,415.55-14,123.42-2,841.79

Finding the Fourth Proportional to 9,415.55, 14,123.42 and 2,841.79

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Solution

The fourth proportional to 9,415.55, 14,123.42 and 2,841.79 is: 4,262.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,415.55 : 14,123.42 = 2,841.79 : x
  2. Step 2: Convert to fraction form
    9,415.55/14,123.42 = 2,841.79/x
  3. Step 3: Cross multiply
    9,415.55x = 14,123.42 × 2,841.79
  4. Step 4: Simplify right side
    9,415.55x = 40,135,793.72
  5. Step 5: Solve for x
    x = 40,135,793.72/9,415.55
  6. Step 6: Final answer
    x = 4,262.71

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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.