Home / 10,643.23-15,967.43-3,247.82

Finding the Fourth Proportional to 10,643.23, 15,967.43 and 3,247.82

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Solution

The fourth proportional to 10,643.23, 15,967.43 and 3,247.82 is: 4,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.23 : 15,967.43 = 3,247.82 : x
  2. Step 2: Convert to fraction form
    10,643.23/15,967.43 = 3,247.82/x
  3. Step 3: Cross multiply
    10,643.23x = 15,967.43 × 3,247.82
  4. Step 4: Simplify right side
    10,643.23x = 51,859,338.50
  5. Step 5: Solve for x
    x = 51,859,338.50/10,643.23
  6. Step 6: Final answer
    x = 4,872.52

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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.