Home / 19,633.09-29,438.45-13,400.65

Finding the Fourth Proportional to 19,633.09, 29,438.45 and 13,400.65

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Solution

The fourth proportional to 19,633.09, 29,438.45 and 13,400.65 is: 20,093.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,633.09 : 29,438.45 = 13,400.65 : x
  2. Step 2: Convert to fraction form
    19,633.09/29,438.45 = 13,400.65/x
  3. Step 3: Cross multiply
    19,633.09x = 29,438.45 × 13,400.65
  4. Step 4: Simplify right side
    19,633.09x = 394,494,224.39
  5. Step 5: Solve for x
    x = 394,494,224.39/19,633.09
  6. Step 6: Final answer
    x = 20,093.34

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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.