Home / 15,757.05-21,745.76-9,044.85

Finding the Fourth Proportional to 15,757.05, 21,745.76 and 9,044.85

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Solution

The fourth proportional to 15,757.05, 21,745.76 and 9,044.85 is: 12,482.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.05 : 21,745.76 = 9,044.85 : x
  2. Step 2: Convert to fraction form
    15,757.05/21,745.76 = 9,044.85/x
  3. Step 3: Cross multiply
    15,757.05x = 21,745.76 × 9,044.85
  4. Step 4: Simplify right side
    15,757.05x = 196,687,092.11
  5. Step 5: Solve for x
    x = 196,687,092.11/15,757.05
  6. Step 6: Final answer
    x = 12,482.48

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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.