Home / 22,766.44-31,419.76-13,816.22

Finding the Fourth Proportional to 22,766.44, 31,419.76 and 13,816.22

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Solution

The fourth proportional to 22,766.44, 31,419.76 and 13,816.22 is: 19,067.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,766.44 : 31,419.76 = 13,816.22 : x
  2. Step 2: Convert to fraction form
    22,766.44/31,419.76 = 13,816.22/x
  3. Step 3: Cross multiply
    22,766.44x = 31,419.76 × 13,816.22
  4. Step 4: Simplify right side
    22,766.44x = 434,102,316.51
  5. Step 5: Solve for x
    x = 434,102,316.51/22,766.44
  6. Step 6: Final answer
    x = 19,067.64

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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.