Home / 11,934.28-17,901.42-4,143.07

Finding the Fourth Proportional to 11,934.28, 17,901.42 and 4,143.07

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Solution

The fourth proportional to 11,934.28, 17,901.42 and 4,143.07 is: 6,214.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,934.28 : 17,901.42 = 4,143.07 : x
  2. Step 2: Convert to fraction form
    11,934.28/17,901.42 = 4,143.07/x
  3. Step 3: Cross multiply
    11,934.28x = 17,901.42 × 4,143.07
  4. Step 4: Simplify right side
    11,934.28x = 74,166,836.16
  5. Step 5: Solve for x
    x = 74,166,836.16/11,934.28
  6. Step 6: Final answer
    x = 6,214.61

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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.