Home / 19,629.82-29,433.55-13,397.38

Finding the Fourth Proportional to 19,629.82, 29,433.55 and 13,397.38

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Solution

The fourth proportional to 19,629.82, 29,433.55 and 13,397.38 is: 20,088.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,629.82 : 29,433.55 = 13,397.38 : x
  2. Step 2: Convert to fraction form
    19,629.82/29,433.55 = 13,397.38/x
  3. Step 3: Cross multiply
    19,629.82x = 29,433.55 × 13,397.38
  4. Step 4: Simplify right side
    19,629.82x = 394,332,454.10
  5. Step 5: Solve for x
    x = 394,332,454.10/19,629.82
  6. Step 6: Final answer
    x = 20,088.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.