Home / 8,129.14-12,192.33-2,284.38

Finding the Fourth Proportional to 8,129.14, 12,192.33 and 2,284.38

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Solution

The fourth proportional to 8,129.14, 12,192.33 and 2,284.38 is: 3,426.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,129.14 : 12,192.33 = 2,284.38 : x
  2. Step 2: Convert to fraction form
    8,129.14/12,192.33 = 2,284.38/x
  3. Step 3: Cross multiply
    8,129.14x = 12,192.33 × 2,284.38
  4. Step 4: Simplify right side
    8,129.14x = 27,851,914.81
  5. Step 5: Solve for x
    x = 27,851,914.81/8,129.14
  6. Step 6: Final answer
    x = 3,426.18

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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.