Home / 11,229.39-16,838.13-3,436.11

Finding the Fourth Proportional to 11,229.39, 16,838.13 and 3,436.11

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Solution

The fourth proportional to 11,229.39, 16,838.13 and 3,436.11 is: 5,152.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,229.39 : 16,838.13 = 3,436.11 : x
  2. Step 2: Convert to fraction form
    11,229.39/16,838.13 = 3,436.11/x
  3. Step 3: Cross multiply
    11,229.39x = 16,838.13 × 3,436.11
  4. Step 4: Simplify right side
    11,229.39x = 57,857,666.87
  5. Step 5: Solve for x
    x = 57,857,666.87/11,229.39
  6. Step 6: Final answer
    x = 5,152.34

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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.