Home / 21,646.11-32,469.36-6,855.10

Finding the Fourth Proportional to 21,646.11, 32,469.36 and 6,855.10

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Solution

The fourth proportional to 21,646.11, 32,469.36 and 6,855.10 is: 10,282.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.11 : 32,469.36 = 6,855.10 : x
  2. Step 2: Convert to fraction form
    21,646.11/32,469.36 = 6,855.10/x
  3. Step 3: Cross multiply
    21,646.11x = 32,469.36 × 6,855.10
  4. Step 4: Simplify right side
    21,646.11x = 222,580,709.74
  5. Step 5: Solve for x
    x = 222,580,709.74/21,646.11
  6. Step 6: Final answer
    x = 10,282.71

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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.