Home / 10,952.72-15,115.92-8,153.36

Finding the Fourth Proportional to 10,952.72, 15,115.92 and 8,153.36

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Solution

The fourth proportional to 10,952.72, 15,115.92 and 8,153.36 is: 11,252.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,952.72 : 15,115.92 = 8,153.36 : x
  2. Step 2: Convert to fraction form
    10,952.72/15,115.92 = 8,153.36/x
  3. Step 3: Cross multiply
    10,952.72x = 15,115.92 × 8,153.36
  4. Step 4: Simplify right side
    10,952.72x = 123,245,537.49
  5. Step 5: Solve for x
    x = 123,245,537.49/10,952.72
  6. Step 6: Final answer
    x = 11,252.51

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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.