Home / 10,619.36-15,930.96-4,375.97

Finding the Fourth Proportional to 10,619.36, 15,930.96 and 4,375.97

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Solution

The fourth proportional to 10,619.36, 15,930.96 and 4,375.97 is: 6,564.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,619.36 : 15,930.96 = 4,375.97 : x
  2. Step 2: Convert to fraction form
    10,619.36/15,930.96 = 4,375.97/x
  3. Step 3: Cross multiply
    10,619.36x = 15,930.96 × 4,375.97
  4. Step 4: Simplify right side
    10,619.36x = 69,713,323.38
  5. Step 5: Solve for x
    x = 69,713,323.38/10,619.36
  6. Step 6: Final answer
    x = 6,564.74

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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.