Home / 11,838.09-17,768.85-6,291.45

Finding the Fourth Proportional to 11,838.09, 17,768.85 and 6,291.45

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Solution

The fourth proportional to 11,838.09, 17,768.85 and 6,291.45 is: 9,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,838.09 : 17,768.85 = 6,291.45 : x
  2. Step 2: Convert to fraction form
    11,838.09/17,768.85 = 6,291.45/x
  3. Step 3: Cross multiply
    11,838.09x = 17,768.85 × 6,291.45
  4. Step 4: Simplify right side
    11,838.09x = 111,791,831.33
  5. Step 5: Solve for x
    x = 111,791,831.33/11,838.09
  6. Step 6: Final answer
    x = 9,443.40

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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.