Home / 10,479.54-15,719.31-3,553.50

Finding the Fourth Proportional to 10,479.54, 15,719.31 and 3,553.50

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Solution

The fourth proportional to 10,479.54, 15,719.31 and 3,553.50 is: 5,330.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,479.54 : 15,719.31 = 3,553.50 : x
  2. Step 2: Convert to fraction form
    10,479.54/15,719.31 = 3,553.50/x
  3. Step 3: Cross multiply
    10,479.54x = 15,719.31 × 3,553.50
  4. Step 4: Simplify right side
    10,479.54x = 55,858,568.09
  5. Step 5: Solve for x
    x = 55,858,568.09/10,479.54
  6. Step 6: Final answer
    x = 5,330.25

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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.