Home / 10,647.26-15,976.83-4,411.88

Finding the Fourth Proportional to 10,647.26, 15,976.83 and 4,411.88

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Solution

The fourth proportional to 10,647.26, 15,976.83 and 4,411.88 is: 6,620.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,647.26 : 15,976.83 = 4,411.88 : x
  2. Step 2: Convert to fraction form
    10,647.26/15,976.83 = 4,411.88/x
  3. Step 3: Cross multiply
    10,647.26x = 15,976.83 × 4,411.88
  4. Step 4: Simplify right side
    10,647.26x = 70,487,856.74
  5. Step 5: Solve for x
    x = 70,487,856.74/10,647.26
  6. Step 6: Final answer
    x = 6,620.28

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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.