Home / 11,215.44-16,831.80-9,029.52

Finding the Fourth Proportional to 11,215.44, 16,831.80 and 9,029.52

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Solution

The fourth proportional to 11,215.44, 16,831.80 and 9,029.52 is: 13,551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.44 : 16,831.80 = 9,029.52 : x
  2. Step 2: Convert to fraction form
    11,215.44/16,831.80 = 9,029.52/x
  3. Step 3: Cross multiply
    11,215.44x = 16,831.80 × 9,029.52
  4. Step 4: Simplify right side
    11,215.44x = 151,983,074.74
  5. Step 5: Solve for x
    x = 151,983,074.74/11,215.44
  6. Step 6: Final answer
    x = 13,551.24

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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.