Home / 16,976.64-25,441.68-12,813.12

Finding the Fourth Proportional to 16,976.64, 25,441.68 and 12,813.12

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Solution

The fourth proportional to 16,976.64, 25,441.68 and 12,813.12 is: 19,202.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,976.64 : 25,441.68 = 12,813.12 : x
  2. Step 2: Convert to fraction form
    16,976.64/25,441.68 = 12,813.12/x
  3. Step 3: Cross multiply
    16,976.64x = 25,441.68 × 12,813.12
  4. Step 4: Simplify right side
    16,976.64x = 325,987,298.84
  5. Step 5: Solve for x
    x = 325,987,298.84/16,976.64
  6. Step 6: Final answer
    x = 19,202.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.