Home / 9,418.12-14,128.50-2,843.56

Finding the Fourth Proportional to 9,418.12, 14,128.50 and 2,843.56

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Solution

The fourth proportional to 9,418.12, 14,128.50 and 2,843.56 is: 4,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,418.12 : 14,128.50 = 2,843.56 : x
  2. Step 2: Convert to fraction form
    9,418.12/14,128.50 = 2,843.56/x
  3. Step 3: Cross multiply
    9,418.12x = 14,128.50 × 2,843.56
  4. Step 4: Simplify right side
    9,418.12x = 40,175,237.46
  5. Step 5: Solve for x
    x = 40,175,237.46/9,418.12
  6. Step 6: Final answer
    x = 4,265.74

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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.