Home / 19,723.92-29,595.09-8,629.17

Finding the Fourth Proportional to 19,723.92, 29,595.09 and 8,629.17

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Solution

The fourth proportional to 19,723.92, 29,595.09 and 8,629.17 is: 12,947.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,723.92 : 29,595.09 = 8,629.17 : x
  2. Step 2: Convert to fraction form
    19,723.92/29,595.09 = 8,629.17/x
  3. Step 3: Cross multiply
    19,723.92x = 29,595.09 × 8,629.17
  4. Step 4: Simplify right side
    19,723.92x = 255,380,914.80
  5. Step 5: Solve for x
    x = 255,380,914.80/19,723.92
  6. Step 6: Final answer
    x = 12,947.78

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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.