Home / 10,643.12-15,963.44-4,069.16

Finding the Fourth Proportional to 10,643.12, 15,963.44 and 4,069.16

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Solution

The fourth proportional to 10,643.12, 15,963.44 and 4,069.16 is: 6,103.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.12 : 15,963.44 = 4,069.16 : x
  2. Step 2: Convert to fraction form
    10,643.12/15,963.44 = 4,069.16/x
  3. Step 3: Cross multiply
    10,643.12x = 15,963.44 × 4,069.16
  4. Step 4: Simplify right side
    10,643.12x = 64,957,791.51
  5. Step 5: Solve for x
    x = 64,957,791.51/10,643.12
  6. Step 6: Final answer
    x = 6,103.27

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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.