Home / 13,975.29-19,286.05-8,006.83

Finding the Fourth Proportional to 13,975.29, 19,286.05 and 8,006.83

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Solution

The fourth proportional to 13,975.29, 19,286.05 and 8,006.83 is: 11,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.29 : 19,286.05 = 8,006.83 : x
  2. Step 2: Convert to fraction form
    13,975.29/19,286.05 = 8,006.83/x
  3. Step 3: Cross multiply
    13,975.29x = 19,286.05 × 8,006.83
  4. Step 4: Simplify right side
    13,975.29x = 154,420,055.49
  5. Step 5: Solve for x
    x = 154,420,055.49/13,975.29
  6. Step 6: Final answer
    x = 11,049.51

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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.