Home / 10,341.09-15,512.76-3,319.47

Finding the Fourth Proportional to 10,341.09, 15,512.76 and 3,319.47

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Solution

The fourth proportional to 10,341.09, 15,512.76 and 3,319.47 is: 4,979.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,341.09 : 15,512.76 = 3,319.47 : x
  2. Step 2: Convert to fraction form
    10,341.09/15,512.76 = 3,319.47/x
  3. Step 3: Cross multiply
    10,341.09x = 15,512.76 × 3,319.47
  4. Step 4: Simplify right side
    10,341.09x = 51,494,141.44
  5. Step 5: Solve for x
    x = 51,494,141.44/10,341.09
  6. Step 6: Final answer
    x = 4,979.57

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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.