Home / 18,795.14-28,233.39-12,217.94

Finding the Fourth Proportional to 18,795.14, 28,233.39 and 12,217.94

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Solution

The fourth proportional to 18,795.14, 28,233.39 and 12,217.94 is: 18,353.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,795.14 : 28,233.39 = 12,217.94 : x
  2. Step 2: Convert to fraction form
    18,795.14/28,233.39 = 12,217.94/x
  3. Step 3: Cross multiply
    18,795.14x = 28,233.39 × 12,217.94
  4. Step 4: Simplify right side
    18,795.14x = 344,953,865.02
  5. Step 5: Solve for x
    x = 344,953,865.02/18,795.14
  6. Step 6: Final answer
    x = 18,353.35

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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.