Home / 12,223.70-18,334.02-3,904.59

Finding the Fourth Proportional to 12,223.70, 18,334.02 and 3,904.59

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Solution

The fourth proportional to 12,223.70, 18,334.02 and 3,904.59 is: 5,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,223.70 : 18,334.02 = 3,904.59 : x
  2. Step 2: Convert to fraction form
    12,223.70/18,334.02 = 3,904.59/x
  3. Step 3: Cross multiply
    12,223.70x = 18,334.02 × 3,904.59
  4. Step 4: Simplify right side
    12,223.70x = 71,586,831.15
  5. Step 5: Solve for x
    x = 71,586,831.15/12,223.70
  6. Step 6: Final answer
    x = 5,856.40

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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.