Home / 19,351.25-26,707.25-11,394.21

Finding the Fourth Proportional to 19,351.25, 26,707.25 and 11,394.21

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Solution

The fourth proportional to 19,351.25, 26,707.25 and 11,394.21 is: 15,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.25 : 26,707.25 = 11,394.21 : x
  2. Step 2: Convert to fraction form
    19,351.25/26,707.25 = 11,394.21/x
  3. Step 3: Cross multiply
    19,351.25x = 26,707.25 × 11,394.21
  4. Step 4: Simplify right side
    19,351.25x = 304,308,015.02
  5. Step 5: Solve for x
    x = 304,308,015.02/19,351.25
  6. Step 6: Final answer
    x = 15,725.50

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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.