Home / 10,895.64-16,346.22-7,767.91

Finding the Fourth Proportional to 10,895.64, 16,346.22 and 7,767.91

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Solution

The fourth proportional to 10,895.64, 16,346.22 and 7,767.91 is: 11,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,895.64 : 16,346.22 = 7,767.91 : x
  2. Step 2: Convert to fraction form
    10,895.64/16,346.22 = 7,767.91/x
  3. Step 3: Cross multiply
    10,895.64x = 16,346.22 × 7,767.91
  4. Step 4: Simplify right side
    10,895.64x = 126,975,965.80
  5. Step 5: Solve for x
    x = 126,975,965.80/10,895.64
  6. Step 6: Final answer
    x = 11,653.83

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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.