Home / 10,369.38-15,550.88-2,971.86

Finding the Fourth Proportional to 10,369.38, 15,550.88 and 2,971.86

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Solution

The fourth proportional to 10,369.38, 15,550.88 and 2,971.86 is: 4,456.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,369.38 : 15,550.88 = 2,971.86 : x
  2. Step 2: Convert to fraction form
    10,369.38/15,550.88 = 2,971.86/x
  3. Step 3: Cross multiply
    10,369.38x = 15,550.88 × 2,971.86
  4. Step 4: Simplify right side
    10,369.38x = 46,215,023.38
  5. Step 5: Solve for x
    x = 46,215,023.38/10,369.38
  6. Step 6: Final answer
    x = 4,456.87

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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.