Home / 13,336.30-20,004.45-11,222.20

Finding the Fourth Proportional to 13,336.30, 20,004.45 and 11,222.20

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Solution

The fourth proportional to 13,336.30, 20,004.45 and 11,222.20 is: 16,833.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,336.30 : 20,004.45 = 11,222.20 : x
  2. Step 2: Convert to fraction form
    13,336.30/20,004.45 = 11,222.20/x
  3. Step 3: Cross multiply
    13,336.30x = 20,004.45 × 11,222.20
  4. Step 4: Simplify right side
    13,336.30x = 224,493,938.79
  5. Step 5: Solve for x
    x = 224,493,938.79/13,336.30
  6. Step 6: Final answer
    x = 16,833.30

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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.