Home / 22,293.72-30,759.21-13,791.76

Finding the Fourth Proportional to 22,293.72, 30,759.21 and 13,791.76

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Solution

The fourth proportional to 22,293.72, 30,759.21 and 13,791.76 is: 19,028.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,293.72 : 30,759.21 = 13,791.76 : x
  2. Step 2: Convert to fraction form
    22,293.72/30,759.21 = 13,791.76/x
  3. Step 3: Cross multiply
    22,293.72x = 30,759.21 × 13,791.76
  4. Step 4: Simplify right side
    22,293.72x = 424,223,565.21
  5. Step 5: Solve for x
    x = 424,223,565.21/22,293.72
  6. Step 6: Final answer
    x = 19,028.84

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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.