Home / 21,644.30-32,472.20-6,853.52

Finding the Fourth Proportional to 21,644.30, 32,472.20 and 6,853.52

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Solution

The fourth proportional to 21,644.30, 32,472.20 and 6,853.52 is: 10,282.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,644.30 : 32,472.20 = 6,853.52 : x
  2. Step 2: Convert to fraction form
    21,644.30/32,472.20 = 6,853.52/x
  3. Step 3: Cross multiply
    21,644.30x = 32,472.20 × 6,853.52
  4. Step 4: Simplify right side
    21,644.30x = 222,548,872.14
  5. Step 5: Solve for x
    x = 222,548,872.14/21,644.30
  6. Step 6: Final answer
    x = 10,282.10

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1.5x scale

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.