Home / 21,537.30-32,308.36-6,747.10

Finding the Fourth Proportional to 21,537.30, 32,308.36 and 6,747.10

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Solution

The fourth proportional to 21,537.30, 32,308.36 and 6,747.10 is: 10,121.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,537.30 : 32,308.36 = 6,747.10 : x
  2. Step 2: Convert to fraction form
    21,537.30/32,308.36 = 6,747.10/x
  3. Step 3: Cross multiply
    21,537.30x = 32,308.36 × 6,747.10
  4. Step 4: Simplify right side
    21,537.30x = 217,987,735.76
  5. Step 5: Solve for x
    x = 217,987,735.76/21,537.30
  6. Step 6: Final answer
    x = 10,121.40

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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.