Home / 13,736.30-20,488.97-12,474.97

Finding the Fourth Proportional to 13,736.30, 20,488.97 and 12,474.97

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Solution

The fourth proportional to 13,736.30, 20,488.97 and 12,474.97 is: 18,607.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,736.30 : 20,488.97 = 12,474.97 : x
  2. Step 2: Convert to fraction form
    13,736.30/20,488.97 = 12,474.97/x
  3. Step 3: Cross multiply
    13,736.30x = 20,488.97 × 12,474.97
  4. Step 4: Simplify right side
    13,736.30x = 255,599,286.08
  5. Step 5: Solve for x
    x = 255,599,286.08/13,736.30
  6. Step 6: Final answer
    x = 18,607.58

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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.