Home / 14,218.05-21,331.40-6,727.36

Finding the Fourth Proportional to 14,218.05, 21,331.40 and 6,727.36

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Solution

The fourth proportional to 14,218.05, 21,331.40 and 6,727.36 is: 10,093.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,218.05 : 21,331.40 = 6,727.36 : x
  2. Step 2: Convert to fraction form
    14,218.05/21,331.40 = 6,727.36/x
  3. Step 3: Cross multiply
    14,218.05x = 21,331.40 × 6,727.36
  4. Step 4: Simplify right side
    14,218.05x = 143,504,050.59
  5. Step 5: Solve for x
    x = 143,504,050.59/14,218.05
  6. Step 6: Final answer
    x = 10,093.09

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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.