Home / 11,319.68-16,980.46-3,528.50

Finding the Fourth Proportional to 11,319.68, 16,980.46 and 3,528.50

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Solution

The fourth proportional to 11,319.68, 16,980.46 and 3,528.50 is: 5,293.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,319.68 : 16,980.46 = 3,528.50 : x
  2. Step 2: Convert to fraction form
    11,319.68/16,980.46 = 3,528.50/x
  3. Step 3: Cross multiply
    11,319.68x = 16,980.46 × 3,528.50
  4. Step 4: Simplify right side
    11,319.68x = 59,915,553.11
  5. Step 5: Solve for x
    x = 59,915,553.11/11,319.68
  6. Step 6: Final answer
    x = 5,293.04

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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.