Home / 10,617.39-15,912.36-4,370.36

Finding the Fourth Proportional to 10,617.39, 15,912.36 and 4,370.36

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Solution

The fourth proportional to 10,617.39, 15,912.36 and 4,370.36 is: 6,549.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,617.39 : 15,912.36 = 4,370.36 : x
  2. Step 2: Convert to fraction form
    10,617.39/15,912.36 = 4,370.36/x
  3. Step 3: Cross multiply
    10,617.39x = 15,912.36 × 4,370.36
  4. Step 4: Simplify right side
    10,617.39x = 69,542,662.09
  5. Step 5: Solve for x
    x = 69,542,662.09/10,617.39
  6. Step 6: Final answer
    x = 6,549.88

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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.