Home / 10,647.22-15,973.29-3,251.65

Finding the Fourth Proportional to 10,647.22, 15,973.29 and 3,251.65

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Solution

The fourth proportional to 10,647.22, 15,973.29 and 3,251.65 is: 4,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.22 : 15,973.29 = 3,251.65 : x
  2. Step 2: Convert to fraction form
    10,647.22/15,973.29 = 3,251.65/x
  3. Step 3: Cross multiply
    10,647.22x = 15,973.29 × 3,251.65
  4. Step 4: Simplify right side
    10,647.22x = 51,939,548.43
  5. Step 5: Solve for x
    x = 51,939,548.43/10,647.22
  6. Step 6: Final answer
    x = 4,878.23

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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.