Home / 21,648.24-32,469.12-6,855.24

Finding the Fourth Proportional to 21,648.24, 32,469.12 and 6,855.24

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Solution

The fourth proportional to 21,648.24, 32,469.12 and 6,855.24 is: 10,281.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,648.24 : 32,469.12 = 6,855.24 : x
  2. Step 2: Convert to fraction form
    21,648.24/32,469.12 = 6,855.24/x
  3. Step 3: Cross multiply
    21,648.24x = 32,469.12 × 6,855.24
  4. Step 4: Simplify right side
    21,648.24x = 222,583,610.19
  5. Step 5: Solve for x
    x = 222,583,610.19/21,648.24
  6. Step 6: Final answer
    x = 10,281.83

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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.