Home / 10,553.25-15,832.21-3,979.49

Finding the Fourth Proportional to 10,553.25, 15,832.21 and 3,979.49

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Solution

The fourth proportional to 10,553.25, 15,832.21 and 3,979.49 is: 5,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.25 : 15,832.21 = 3,979.49 : x
  2. Step 2: Convert to fraction form
    10,553.25/15,832.21 = 3,979.49/x
  3. Step 3: Cross multiply
    10,553.25x = 15,832.21 × 3,979.49
  4. Step 4: Simplify right side
    10,553.25x = 63,004,121.37
  5. Step 5: Solve for x
    x = 63,004,121.37/10,553.25
  6. Step 6: Final answer
    x = 5,970.12

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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.