Home / 10,952.70-16,431.75-3,162.12

Finding the Fourth Proportional to 10,952.70, 16,431.75 and 3,162.12

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Solution

The fourth proportional to 10,952.70, 16,431.75 and 3,162.12 is: 4,743.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.70 : 16,431.75 = 3,162.12 : x
  2. Step 2: Convert to fraction form
    10,952.70/16,431.75 = 3,162.12/x
  3. Step 3: Cross multiply
    10,952.70x = 16,431.75 × 3,162.12
  4. Step 4: Simplify right side
    10,952.70x = 51,959,165.31
  5. Step 5: Solve for x
    x = 51,959,165.31/10,952.70
  6. Step 6: Final answer
    x = 4,743.96

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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.