Home / 10,831.72-14,947.77-5,863.72

Finding the Fourth Proportional to 10,831.72, 14,947.77 and 5,863.72

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Solution

The fourth proportional to 10,831.72, 14,947.77 and 5,863.72 is: 8,091.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,831.72 : 14,947.77 = 5,863.72 : x
  2. Step 2: Convert to fraction form
    10,831.72/14,947.77 = 5,863.72/x
  3. Step 3: Cross multiply
    10,831.72x = 14,947.77 × 5,863.72
  4. Step 4: Simplify right side
    10,831.72x = 87,649,537.90
  5. Step 5: Solve for x
    x = 87,649,537.90/10,831.72
  6. Step 6: Final answer
    x = 8,091.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.