Home / 10,206.92-15,316.31-3,971.24

Finding the Fourth Proportional to 10,206.92, 15,316.31 and 3,971.24

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Solution

The fourth proportional to 10,206.92, 15,316.31 and 3,971.24 is: 5,959.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,206.92 : 15,316.31 = 3,971.24 : x
  2. Step 2: Convert to fraction form
    10,206.92/15,316.31 = 3,971.24/x
  3. Step 3: Cross multiply
    10,206.92x = 15,316.31 × 3,971.24
  4. Step 4: Simplify right side
    10,206.92x = 60,824,733.71
  5. Step 5: Solve for x
    x = 60,824,733.71/10,206.92
  6. Step 6: Final answer
    x = 5,959.16

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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.