Home / 12,224.20-18,336.46-3,904.18

Finding the Fourth Proportional to 12,224.20, 18,336.46 and 3,904.18

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Solution

The fourth proportional to 12,224.20, 18,336.46 and 3,904.18 is: 5,856.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.20 : 18,336.46 = 3,904.18 : x
  2. Step 2: Convert to fraction form
    12,224.20/18,336.46 = 3,904.18/x
  3. Step 3: Cross multiply
    12,224.20x = 18,336.46 × 3,904.18
  4. Step 4: Simplify right side
    12,224.20x = 71,588,840.40
  5. Step 5: Solve for x
    x = 71,588,840.40/12,224.20
  6. Step 6: Final answer
    x = 5,856.32

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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.