Home / 11,898.12-17,831.41-6,339.49

Finding the Fourth Proportional to 11,898.12, 17,831.41 and 6,339.49

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Solution

The fourth proportional to 11,898.12, 17,831.41 and 6,339.49 is: 9,500.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,898.12 : 17,831.41 = 6,339.49 : x
  2. Step 2: Convert to fraction form
    11,898.12/17,831.41 = 6,339.49/x
  3. Step 3: Cross multiply
    11,898.12x = 17,831.41 × 6,339.49
  4. Step 4: Simplify right side
    11,898.12x = 113,042,045.38
  5. Step 5: Solve for x
    x = 113,042,045.38/11,898.12
  6. Step 6: Final answer
    x = 9,500.83

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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.