Home / 10,478.58-15,717.46-3,553.08

Finding the Fourth Proportional to 10,478.58, 15,717.46 and 3,553.08

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Solution

The fourth proportional to 10,478.58, 15,717.46 and 3,553.08 is: 5,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,478.58 : 15,717.46 = 3,553.08 : x
  2. Step 2: Convert to fraction form
    10,478.58/15,717.46 = 3,553.08/x
  3. Step 3: Cross multiply
    10,478.58x = 15,717.46 × 3,553.08
  4. Step 4: Simplify right side
    10,478.58x = 55,845,375.01
  5. Step 5: Solve for x
    x = 55,845,375.01/10,478.58
  6. Step 6: Final answer
    x = 5,329.48

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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.