Home / 21,441.53-32,165.41-6,651.64

Finding the Fourth Proportional to 21,441.53, 32,165.41 and 6,651.64

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Solution

The fourth proportional to 21,441.53, 32,165.41 and 6,651.64 is: 9,978.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.53 : 32,165.41 = 6,651.64 : x
  2. Step 2: Convert to fraction form
    21,441.53/32,165.41 = 6,651.64/x
  3. Step 3: Cross multiply
    21,441.53x = 32,165.41 × 6,651.64
  4. Step 4: Simplify right side
    21,441.53x = 213,952,727.77
  5. Step 5: Solve for x
    x = 213,952,727.77/21,441.53
  6. Step 6: Final answer
    x = 9,978.43

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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.