Home / 13,524.37-20,256.89-11,157.76

Finding the Fourth Proportional to 13,524.37, 20,256.89 and 11,157.76

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Solution

The fourth proportional to 13,524.37, 20,256.89 and 11,157.76 is: 16,712.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,524.37 : 20,256.89 = 11,157.76 : x
  2. Step 2: Convert to fraction form
    13,524.37/20,256.89 = 11,157.76/x
  3. Step 3: Cross multiply
    13,524.37x = 20,256.89 × 11,157.76
  4. Step 4: Simplify right side
    13,524.37x = 226,021,359.89
  5. Step 5: Solve for x
    x = 226,021,359.89/13,524.37
  6. Step 6: Final answer
    x = 16,712.15

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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.