Home / 9,213.85-13,822.76-2,974.23

Finding the Fourth Proportional to 9,213.85, 13,822.76 and 2,974.23

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Solution

The fourth proportional to 9,213.85, 13,822.76 and 2,974.23 is: 4,461.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,213.85 : 13,822.76 = 2,974.23 : x
  2. Step 2: Convert to fraction form
    9,213.85/13,822.76 = 2,974.23/x
  3. Step 3: Cross multiply
    9,213.85x = 13,822.76 × 2,974.23
  4. Step 4: Simplify right side
    9,213.85x = 41,112,067.47
  5. Step 5: Solve for x
    x = 41,112,067.47/9,213.85
  6. Step 6: Final answer
    x = 4,461.99

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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.