Home / 19,684.59-27,163.67-11,301.09

Finding the Fourth Proportional to 19,684.59, 27,163.67 and 11,301.09

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Solution

The fourth proportional to 19,684.59, 27,163.67 and 11,301.09 is: 15,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,684.59 : 27,163.67 = 11,301.09 : x
  2. Step 2: Convert to fraction form
    19,684.59/27,163.67 = 11,301.09/x
  3. Step 3: Cross multiply
    19,684.59x = 27,163.67 × 11,301.09
  4. Step 4: Simplify right side
    19,684.59x = 306,979,022.89
  5. Step 5: Solve for x
    x = 306,979,022.89/19,684.59
  6. Step 6: Final answer
    x = 15,594.89

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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.