Home / 19,351.46-26,707.49-11,394.43

Finding the Fourth Proportional to 19,351.46, 26,707.49 and 11,394.43

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Solution

The fourth proportional to 19,351.46, 26,707.49 and 11,394.43 is: 15,725.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,351.46 : 26,707.49 = 11,394.43 : x
  2. Step 2: Convert to fraction form
    19,351.46/26,707.49 = 11,394.43/x
  3. Step 3: Cross multiply
    19,351.46x = 26,707.49 × 11,394.43
  4. Step 4: Simplify right side
    19,351.46x = 304,316,544.27
  5. Step 5: Solve for x
    x = 304,316,544.27/19,351.46
  6. Step 6: Final answer
    x = 15,725.76

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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.