Home / 12,722.92-19,093.49-9,426.08

Finding the Fourth Proportional to 12,722.92, 19,093.49 and 9,426.08

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Solution

The fourth proportional to 12,722.92, 19,093.49 and 9,426.08 is: 14,145.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,722.92 : 19,093.49 = 9,426.08 : x
  2. Step 2: Convert to fraction form
    12,722.92/19,093.49 = 9,426.08/x
  3. Step 3: Cross multiply
    12,722.92x = 19,093.49 × 9,426.08
  4. Step 4: Simplify right side
    12,722.92x = 179,976,764.22
  5. Step 5: Solve for x
    x = 179,976,764.22/12,722.92
  6. Step 6: Final answer
    x = 14,145.87

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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.