Home / 19,542.89-26,975.33-12,469.31

Finding the Fourth Proportional to 19,542.89, 26,975.33 and 12,469.31

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Solution

The fourth proportional to 19,542.89, 26,975.33 and 12,469.31 is: 17,211.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,542.89 : 26,975.33 = 12,469.31 : x
  2. Step 2: Convert to fraction form
    19,542.89/26,975.33 = 12,469.31/x
  3. Step 3: Cross multiply
    19,542.89x = 26,975.33 × 12,469.31
  4. Step 4: Simplify right side
    19,542.89x = 336,363,554.90
  5. Step 5: Solve for x
    x = 336,363,554.90/19,542.89
  6. Step 6: Final answer
    x = 17,211.56

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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.