Home / 10,643.62-15,967.32-3,623.28

Finding the Fourth Proportional to 10,643.62, 15,967.32 and 3,623.28

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Solution

The fourth proportional to 10,643.62, 15,967.32 and 3,623.28 is: 5,435.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,643.62 : 15,967.32 = 3,623.28 : x
  2. Step 2: Convert to fraction form
    10,643.62/15,967.32 = 3,623.28/x
  3. Step 3: Cross multiply
    10,643.62x = 15,967.32 × 3,623.28
  4. Step 4: Simplify right side
    10,643.62x = 57,854,071.21
  5. Step 5: Solve for x
    x = 57,854,071.21/10,643.62
  6. Step 6: Final answer
    x = 5,435.56

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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.