Home / 11,151.32-16,726.98-2,831.96

Finding the Fourth Proportional to 11,151.32, 16,726.98 and 2,831.96

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Solution

The fourth proportional to 11,151.32, 16,726.98 and 2,831.96 is: 4,247.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,151.32 : 16,726.98 = 2,831.96 : x
  2. Step 2: Convert to fraction form
    11,151.32/16,726.98 = 2,831.96/x
  3. Step 3: Cross multiply
    11,151.32x = 16,726.98 × 2,831.96
  4. Step 4: Simplify right side
    11,151.32x = 47,370,054.65
  5. Step 5: Solve for x
    x = 47,370,054.65/11,151.32
  6. Step 6: Final answer
    x = 4,247.93

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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.