Home / 11,831.63-17,747.46-6,637.91

Finding the Fourth Proportional to 11,831.63, 17,747.46 and 6,637.91

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Solution

The fourth proportional to 11,831.63, 17,747.46 and 6,637.91 is: 9,956.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,831.63 : 17,747.46 = 6,637.91 : x
  2. Step 2: Convert to fraction form
    11,831.63/17,747.46 = 6,637.91/x
  3. Step 3: Cross multiply
    11,831.63x = 17,747.46 × 6,637.91
  4. Step 4: Simplify right side
    11,831.63x = 117,805,953.47
  5. Step 5: Solve for x
    x = 117,805,953.47/11,831.63
  6. Step 6: Final answer
    x = 9,956.87

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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.