Home / 19,722.46-27,218.09-10,770.79

Finding the Fourth Proportional to 19,722.46, 27,218.09 and 10,770.79

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Solution

The fourth proportional to 19,722.46, 27,218.09 and 10,770.79 is: 14,864.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,722.46 : 27,218.09 = 10,770.79 : x
  2. Step 2: Convert to fraction form
    19,722.46/27,218.09 = 10,770.79/x
  3. Step 3: Cross multiply
    19,722.46x = 27,218.09 × 10,770.79
  4. Step 4: Simplify right side
    19,722.46x = 293,160,331.59
  5. Step 5: Solve for x
    x = 293,160,331.59/19,722.46
  6. Step 6: Final answer
    x = 14,864.29

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