Home / 13,192.09-19,791.09-4,426.78

Finding the Fourth Proportional to 13,192.09, 19,791.09 and 4,426.78

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Solution

The fourth proportional to 13,192.09, 19,791.09 and 4,426.78 is: 6,641.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,192.09 : 19,791.09 = 4,426.78 : x
  2. Step 2: Convert to fraction form
    13,192.09/19,791.09 = 4,426.78/x
  3. Step 3: Cross multiply
    13,192.09x = 19,791.09 × 4,426.78
  4. Step 4: Simplify right side
    13,192.09x = 87,610,801.39
  5. Step 5: Solve for x
    x = 87,610,801.39/13,192.09
  6. Step 6: Final answer
    x = 6,641.16

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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.