Home / 16,530.12-22,811.48-8,976.38

Finding the Fourth Proportional to 16,530.12, 22,811.48 and 8,976.38

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Solution

The fourth proportional to 16,530.12, 22,811.48 and 8,976.38 is: 12,387.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.12 : 22,811.48 = 8,976.38 : x
  2. Step 2: Convert to fraction form
    16,530.12/22,811.48 = 8,976.38/x
  3. Step 3: Cross multiply
    16,530.12x = 22,811.48 × 8,976.38
  4. Step 4: Simplify right side
    16,530.12x = 204,764,467.96
  5. Step 5: Solve for x
    x = 204,764,467.96/16,530.12
  6. Step 6: Final answer
    x = 12,387.36

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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.