Home / 14,650.20-20,209.50-11,107.56

Finding the Fourth Proportional to 14,650.20, 20,209.50 and 11,107.56

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Solution

The fourth proportional to 14,650.20, 20,209.50 and 11,107.56 is: 15,322.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.20 : 20,209.50 = 11,107.56 : x
  2. Step 2: Convert to fraction form
    14,650.20/20,209.50 = 11,107.56/x
  3. Step 3: Cross multiply
    14,650.20x = 20,209.50 × 11,107.56
  4. Step 4: Simplify right side
    14,650.20x = 224,478,233.82
  5. Step 5: Solve for x
    x = 224,478,233.82/14,650.20
  6. Step 6: Final answer
    x = 15,322.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.