Home / 21,918.30-32,882.58-6,335.52

Finding the Fourth Proportional to 21,918.30, 32,882.58 and 6,335.52

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Solution

The fourth proportional to 21,918.30, 32,882.58 and 6,335.52 is: 9,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,918.30 : 32,882.58 = 6,335.52 : x
  2. Step 2: Convert to fraction form
    21,918.30/32,882.58 = 6,335.52/x
  3. Step 3: Cross multiply
    21,918.30x = 32,882.58 × 6,335.52
  4. Step 4: Simplify right side
    21,918.30x = 208,328,243.24
  5. Step 5: Solve for x
    x = 208,328,243.24/21,918.30
  6. Step 6: Final answer
    x = 9,504.76

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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.