Home / 11,568.78-17,353.92-4,643.28

Finding the Fourth Proportional to 11,568.78, 17,353.92 and 4,643.28

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Solution

The fourth proportional to 11,568.78, 17,353.92 and 4,643.28 is: 6,965.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,568.78 : 17,353.92 = 4,643.28 : x
  2. Step 2: Convert to fraction form
    11,568.78/17,353.92 = 4,643.28/x
  3. Step 3: Cross multiply
    11,568.78x = 17,353.92 × 4,643.28
  4. Step 4: Simplify right side
    11,568.78x = 80,579,109.66
  5. Step 5: Solve for x
    x = 80,579,109.66/11,568.78
  6. Step 6: Final answer
    x = 6,965.22

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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.