Home / 20,183.14-27,848.37-12,225.70

Finding the Fourth Proportional to 20,183.14, 27,848.37 and 12,225.70

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Solution

The fourth proportional to 20,183.14, 27,848.37 and 12,225.70 is: 16,868.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,183.14 : 27,848.37 = 12,225.70 : x
  2. Step 2: Convert to fraction form
    20,183.14/27,848.37 = 12,225.70/x
  3. Step 3: Cross multiply
    20,183.14x = 27,848.37 × 12,225.70
  4. Step 4: Simplify right side
    20,183.14x = 340,465,817.11
  5. Step 5: Solve for x
    x = 340,465,817.11/20,183.14
  6. Step 6: Final answer
    x = 16,868.82

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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.