Home / 13,523.14-20,202.71-11,308.96

Finding the Fourth Proportional to 13,523.14, 20,202.71 and 11,308.96

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Solution

The fourth proportional to 13,523.14, 20,202.71 and 11,308.96 is: 16,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.14 : 20,202.71 = 11,308.96 : x
  2. Step 2: Convert to fraction form
    13,523.14/20,202.71 = 11,308.96/x
  3. Step 3: Cross multiply
    13,523.14x = 20,202.71 × 11,308.96
  4. Step 4: Simplify right side
    13,523.14x = 228,471,639.28
  5. Step 5: Solve for x
    x = 228,471,639.28/13,523.14
  6. Step 6: Final answer
    x = 16,894.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.