Home / 21,960.98-32,942.38-6,378.60

Finding the Fourth Proportional to 21,960.98, 32,942.38 and 6,378.60

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Solution

The fourth proportional to 21,960.98, 32,942.38 and 6,378.60 is: 9,568.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,960.98 : 32,942.38 = 6,378.60 : x
  2. Step 2: Convert to fraction form
    21,960.98/32,942.38 = 6,378.60/x
  3. Step 3: Cross multiply
    21,960.98x = 32,942.38 × 6,378.60
  4. Step 4: Simplify right side
    21,960.98x = 210,126,265.07
  5. Step 5: Solve for x
    x = 210,126,265.07/21,960.98
  6. Step 6: Final answer
    x = 9,568.16

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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.