Home / 11,229.80-16,831.20-4,652.60

Finding the Fourth Proportional to 11,229.80, 16,831.20 and 4,652.60

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Solution

The fourth proportional to 11,229.80, 16,831.20 and 4,652.60 is: 6,973.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.80 : 16,831.20 = 4,652.60 : x
  2. Step 2: Convert to fraction form
    11,229.80/16,831.20 = 4,652.60/x
  3. Step 3: Cross multiply
    11,229.80x = 16,831.20 × 4,652.60
  4. Step 4: Simplify right side
    11,229.80x = 78,308,841.12
  5. Step 5: Solve for x
    x = 78,308,841.12/11,229.80
  6. Step 6: Final answer
    x = 6,973.31

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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.