Home / 16,530.40-22,811.82-8,976.58

Finding the Fourth Proportional to 16,530.40, 22,811.82 and 8,976.58

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Solution

The fourth proportional to 16,530.40, 22,811.82 and 8,976.58 is: 12,387.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.40 : 22,811.82 = 8,976.58 : x
  2. Step 2: Convert to fraction form
    16,530.40/22,811.82 = 8,976.58/x
  3. Step 3: Cross multiply
    16,530.40x = 22,811.82 × 8,976.58
  4. Step 4: Simplify right side
    16,530.40x = 204,772,127.18
  5. Step 5: Solve for x
    x = 204,772,127.18/16,530.40
  6. Step 6: Final answer
    x = 12,387.61

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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.