Home / 13,564.45-20,367.13-11,076.74

Finding the Fourth Proportional to 13,564.45, 20,367.13 and 11,076.74

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Solution

The fourth proportional to 13,564.45, 20,367.13 and 11,076.74 is: 16,631.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,564.45 : 20,367.13 = 11,076.74 : x
  2. Step 2: Convert to fraction form
    13,564.45/20,367.13 = 11,076.74/x
  3. Step 3: Cross multiply
    13,564.45x = 20,367.13 × 11,076.74
  4. Step 4: Simplify right side
    13,564.45x = 225,601,403.56
  5. Step 5: Solve for x
    x = 225,601,403.56/13,564.45
  6. Step 6: Final answer
    x = 16,631.81

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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.