Home / 13,327.14-19,979.37-8,136.66

Finding the Fourth Proportional to 13,327.14, 19,979.37 and 8,136.66

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Solution

The fourth proportional to 13,327.14, 19,979.37 and 8,136.66 is: 12,198.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,327.14 : 19,979.37 = 8,136.66 : x
  2. Step 2: Convert to fraction form
    13,327.14/19,979.37 = 8,136.66/x
  3. Step 3: Cross multiply
    13,327.14x = 19,979.37 × 8,136.66
  4. Step 4: Simplify right side
    13,327.14x = 162,565,340.70
  5. Step 5: Solve for x
    x = 162,565,340.70/13,327.14
  6. Step 6: Final answer
    x = 12,198.07

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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.