Home / 10,224.65-15,329.79-3,979.39

Finding the Fourth Proportional to 10,224.65, 15,329.79 and 3,979.39

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Solution

The fourth proportional to 10,224.65, 15,329.79 and 3,979.39 is: 5,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.65 : 15,329.79 = 3,979.39 : x
  2. Step 2: Convert to fraction form
    10,224.65/15,329.79 = 3,979.39/x
  3. Step 3: Cross multiply
    10,224.65x = 15,329.79 × 3,979.39
  4. Step 4: Simplify right side
    10,224.65x = 61,003,193.13
  5. Step 5: Solve for x
    x = 61,003,193.13/10,224.65
  6. Step 6: Final answer
    x = 5,966.29

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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.