Home / 8,831.79-13,243.01-7,833.87

Finding the Fourth Proportional to 8,831.79, 13,243.01 and 7,833.87

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Solution

The fourth proportional to 8,831.79, 13,243.01 and 7,833.87 is: 11,746.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,831.79 : 13,243.01 = 7,833.87 : x
  2. Step 2: Convert to fraction form
    8,831.79/13,243.01 = 7,833.87/x
  3. Step 3: Cross multiply
    8,831.79x = 13,243.01 × 7,833.87
  4. Step 4: Simplify right side
    8,831.79x = 103,743,979.58
  5. Step 5: Solve for x
    x = 103,743,979.58/8,831.79
  6. Step 6: Final answer
    x = 11,746.65

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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.