Home / 11,219.50-16,831.68-4,294

Finding the Fourth Proportional to 11,219.50, 16,831.68 and 4,294

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Solution

The fourth proportional to 11,219.50, 16,831.68 and 4,294 is: 6,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,219.50 : 16,831.68 = 4,294 : x
  2. Step 2: Convert to fraction form
    11,219.50/16,831.68 = 4,294/x
  3. Step 3: Cross multiply
    11,219.50x = 16,831.68 × 4,294
  4. Step 4: Simplify right side
    11,219.50x = 72,275,233.92
  5. Step 5: Solve for x
    x = 72,275,233.92/11,219.50
  6. Step 6: Final answer
    x = 6,441.93

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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.