Home / 21,919.76-32,884.56-6,338.60

Finding the Fourth Proportional to 21,919.76, 32,884.56 and 6,338.60

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Solution

The fourth proportional to 21,919.76, 32,884.56 and 6,338.60 is: 9,509.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,919.76 : 32,884.56 = 6,338.60 : x
  2. Step 2: Convert to fraction form
    21,919.76/32,884.56 = 6,338.60/x
  3. Step 3: Cross multiply
    21,919.76x = 32,884.56 × 6,338.60
  4. Step 4: Simplify right side
    21,919.76x = 208,442,072.02
  5. Step 5: Solve for x
    x = 208,442,072.02/21,919.76
  6. Step 6: Final answer
    x = 9,509.32

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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.