Home / 16,539.21-22,757.42-16,145.55

Finding the Fourth Proportional to 16,539.21, 22,757.42 and 16,145.55

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Solution

The fourth proportional to 16,539.21, 22,757.42 and 16,145.55 is: 22,215.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,539.21 : 22,757.42 = 16,145.55 : x
  2. Step 2: Convert to fraction form
    16,539.21/22,757.42 = 16,145.55/x
  3. Step 3: Cross multiply
    16,539.21x = 22,757.42 × 16,145.55
  4. Step 4: Simplify right side
    16,539.21x = 367,431,102.84
  5. Step 5: Solve for x
    x = 367,431,102.84/16,539.21
  6. Step 6: Final answer
    x = 22,215.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.