Home / 9,143.22-13,716.84-2,818.14

Finding the Fourth Proportional to 9,143.22, 13,716.84 and 2,818.14

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Solution

The fourth proportional to 9,143.22, 13,716.84 and 2,818.14 is: 4,227.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.22 : 13,716.84 = 2,818.14 : x
  2. Step 2: Convert to fraction form
    9,143.22/13,716.84 = 2,818.14/x
  3. Step 3: Cross multiply
    9,143.22x = 13,716.84 × 2,818.14
  4. Step 4: Simplify right side
    9,143.22x = 38,655,975.48
  5. Step 5: Solve for x
    x = 38,655,975.48/9,143.22
  6. Step 6: Final answer
    x = 4,227.83

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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.