Home / 19,808.75-27,331.81-11,744.95

Finding the Fourth Proportional to 19,808.75, 27,331.81 and 11,744.95

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Solution

The fourth proportional to 19,808.75, 27,331.81 and 11,744.95 is: 16,205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,808.75 : 27,331.81 = 11,744.95 : x
  2. Step 2: Convert to fraction form
    19,808.75/27,331.81 = 11,744.95/x
  3. Step 3: Cross multiply
    19,808.75x = 27,331.81 × 11,744.95
  4. Step 4: Simplify right side
    19,808.75x = 321,010,741.86
  5. Step 5: Solve for x
    x = 321,010,741.86/19,808.75
  6. Step 6: Final answer
    x = 16,205.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.