Home / 10,645.38-15,964.80-3,718.26

Finding the Fourth Proportional to 10,645.38, 15,964.80 and 3,718.26

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Solution

The fourth proportional to 10,645.38, 15,964.80 and 3,718.26 is: 5,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,645.38 : 15,964.80 = 3,718.26 : x
  2. Step 2: Convert to fraction form
    10,645.38/15,964.80 = 3,718.26/x
  3. Step 3: Cross multiply
    10,645.38x = 15,964.80 × 3,718.26
  4. Step 4: Simplify right side
    10,645.38x = 59,361,277.25
  5. Step 5: Solve for x
    x = 59,361,277.25/10,645.38
  6. Step 6: Final answer
    x = 5,576.25

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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.