Home / 16,216.35-22,380.38-9,507.65

Finding the Fourth Proportional to 16,216.35, 22,380.38 and 9,507.65

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Solution

The fourth proportional to 16,216.35, 22,380.38 and 9,507.65 is: 13,121.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,216.35 : 22,380.38 = 9,507.65 : x
  2. Step 2: Convert to fraction form
    16,216.35/22,380.38 = 9,507.65/x
  3. Step 3: Cross multiply
    16,216.35x = 22,380.38 × 9,507.65
  4. Step 4: Simplify right side
    16,216.35x = 212,784,858.21
  5. Step 5: Solve for x
    x = 212,784,858.21/16,216.35
  6. Step 6: Final answer
    x = 13,121.62

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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.