Home / 9,126.68-13,682.99-8,199.44

Finding the Fourth Proportional to 9,126.68, 13,682.99 and 8,199.44

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Solution

The fourth proportional to 9,126.68, 13,682.99 and 8,199.44 is: 12,292.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,126.68 : 13,682.99 = 8,199.44 : x
  2. Step 2: Convert to fraction form
    9,126.68/13,682.99 = 8,199.44/x
  3. Step 3: Cross multiply
    9,126.68x = 13,682.99 × 8,199.44
  4. Step 4: Simplify right side
    9,126.68x = 112,192,746.11
  5. Step 5: Solve for x
    x = 112,192,746.11/9,126.68
  6. Step 6: Final answer
    x = 12,292.84

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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.