Home / 16,530.94-22,812.62-8,977.21

Finding the Fourth Proportional to 16,530.94, 22,812.62 and 8,977.21

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Solution

The fourth proportional to 16,530.94, 22,812.62 and 8,977.21 is: 12,388.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,530.94 : 22,812.62 = 8,977.21 : x
  2. Step 2: Convert to fraction form
    16,530.94/22,812.62 = 8,977.21/x
  3. Step 3: Cross multiply
    16,530.94x = 22,812.62 × 8,977.21
  4. Step 4: Simplify right side
    16,530.94x = 204,793,757.29
  5. Step 5: Solve for x
    x = 204,793,757.29/16,530.94
  6. Step 6: Final answer
    x = 12,388.52

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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.