Home / 11,711.38-16,158.45-6,993.94

Finding the Fourth Proportional to 11,711.38, 16,158.45 and 6,993.94

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Solution

The fourth proportional to 11,711.38, 16,158.45 and 6,993.94 is: 9,649.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,711.38 : 16,158.45 = 6,993.94 : x
  2. Step 2: Convert to fraction form
    11,711.38/16,158.45 = 6,993.94/x
  3. Step 3: Cross multiply
    11,711.38x = 16,158.45 × 6,993.94
  4. Step 4: Simplify right side
    11,711.38x = 113,011,229.79
  5. Step 5: Solve for x
    x = 113,011,229.79/11,711.38
  6. Step 6: Final answer
    x = 9,649.69

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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.