Home / 19,122.26-26,387.31-11,165.22

Finding the Fourth Proportional to 19,122.26, 26,387.31 and 11,165.22

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Solution

The fourth proportional to 19,122.26, 26,387.31 and 11,165.22 is: 15,407.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,122.26 : 26,387.31 = 11,165.22 : x
  2. Step 2: Convert to fraction form
    19,122.26/26,387.31 = 11,165.22/x
  3. Step 3: Cross multiply
    19,122.26x = 26,387.31 × 11,165.22
  4. Step 4: Simplify right side
    19,122.26x = 294,620,121.36
  5. Step 5: Solve for x
    x = 294,620,121.36/19,122.26
  6. Step 6: Final answer
    x = 15,407.19

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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.