Home / 13,286.46-19,937.49-5,891.76

Finding the Fourth Proportional to 13,286.46, 19,937.49 and 5,891.76

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Solution

The fourth proportional to 13,286.46, 19,937.49 and 5,891.76 is: 8,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,286.46 : 19,937.49 = 5,891.76 : x
  2. Step 2: Convert to fraction form
    13,286.46/19,937.49 = 5,891.76/x
  3. Step 3: Cross multiply
    13,286.46x = 19,937.49 × 5,891.76
  4. Step 4: Simplify right side
    13,286.46x = 117,466,906.08
  5. Step 5: Solve for x
    x = 117,466,906.08/13,286.46
  6. Step 6: Final answer
    x = 8,841.10

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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.