Home / 11,219.54-16,831.15-4,201.97

Finding the Fourth Proportional to 11,219.54, 16,831.15 and 4,201.97

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Solution

The fourth proportional to 11,219.54, 16,831.15 and 4,201.97 is: 6,303.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.54 : 16,831.15 = 4,201.97 : x
  2. Step 2: Convert to fraction form
    11,219.54/16,831.15 = 4,201.97/x
  3. Step 3: Cross multiply
    11,219.54x = 16,831.15 × 4,201.97
  4. Step 4: Simplify right side
    11,219.54x = 70,723,892.70
  5. Step 5: Solve for x
    x = 70,723,892.70/11,219.54
  6. Step 6: Final answer
    x = 6,303.64

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1.5x scale

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.