Home / 10,639.20-15,967.30-4,796.26

Finding the Fourth Proportional to 10,639.20, 15,967.30 and 4,796.26

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Solution

The fourth proportional to 10,639.20, 15,967.30 and 4,796.26 is: 7,198.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,639.20 : 15,967.30 = 4,796.26 : x
  2. Step 2: Convert to fraction form
    10,639.20/15,967.30 = 4,796.26/x
  3. Step 3: Cross multiply
    10,639.20x = 15,967.30 × 4,796.26
  4. Step 4: Simplify right side
    10,639.20x = 76,583,322.30
  5. Step 5: Solve for x
    x = 76,583,322.30/10,639.20
  6. Step 6: Final answer
    x = 7,198.22

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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.