Home / 10,958.08-16,434.72-3,165.20

Finding the Fourth Proportional to 10,958.08, 16,434.72 and 3,165.20

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Solution

The fourth proportional to 10,958.08, 16,434.72 and 3,165.20 is: 4,747.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,958.08 : 16,434.72 = 3,165.20 : x
  2. Step 2: Convert to fraction form
    10,958.08/16,434.72 = 3,165.20/x
  3. Step 3: Cross multiply
    10,958.08x = 16,434.72 × 3,165.20
  4. Step 4: Simplify right side
    10,958.08x = 52,019,175.74
  5. Step 5: Solve for x
    x = 52,019,175.74/10,958.08
  6. Step 6: Final answer
    x = 4,747.11

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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.