Home / 10,511.04-15,768.80-3,584.96

Finding the Fourth Proportional to 10,511.04, 15,768.80 and 3,584.96

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Solution

The fourth proportional to 10,511.04, 15,768.80 and 3,584.96 is: 5,378.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,511.04 : 15,768.80 = 3,584.96 : x
  2. Step 2: Convert to fraction form
    10,511.04/15,768.80 = 3,584.96/x
  3. Step 3: Cross multiply
    10,511.04x = 15,768.80 × 3,584.96
  4. Step 4: Simplify right side
    10,511.04x = 56,530,517.25
  5. Step 5: Solve for x
    x = 56,530,517.25/10,511.04
  6. Step 6: Final answer
    x = 5,378.20

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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.