Home / 21,641.43-32,466.84-6,648.60

Finding the Fourth Proportional to 21,641.43, 32,466.84 and 6,648.60

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Solution

The fourth proportional to 21,641.43, 32,466.84 and 6,648.60 is: 9,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,641.43 : 32,466.84 = 6,648.60 : x
  2. Step 2: Convert to fraction form
    21,641.43/32,466.84 = 6,648.60/x
  3. Step 3: Cross multiply
    21,641.43x = 32,466.84 × 6,648.60
  4. Step 4: Simplify right side
    21,641.43x = 215,859,032.42
  5. Step 5: Solve for x
    x = 215,859,032.42/21,641.43
  6. Step 6: Final answer
    x = 9,974.34

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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.