Home / 11,098.81-16,651.64-3,886.71

Finding the Fourth Proportional to 11,098.81, 16,651.64 and 3,886.71

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Solution

The fourth proportional to 11,098.81, 16,651.64 and 3,886.71 is: 5,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,098.81 : 16,651.64 = 3,886.71 : x
  2. Step 2: Convert to fraction form
    11,098.81/16,651.64 = 3,886.71/x
  3. Step 3: Cross multiply
    11,098.81x = 16,651.64 × 3,886.71
  4. Step 4: Simplify right side
    11,098.81x = 64,720,095.70
  5. Step 5: Solve for x
    x = 64,720,095.70/11,098.81
  6. Step 6: Final answer
    x = 5,831.26

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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.