Home / 18,735.25-28,088.97-11,337.95

Finding the Fourth Proportional to 18,735.25, 28,088.97 and 11,337.95

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Solution

The fourth proportional to 18,735.25, 28,088.97 and 11,337.95 is: 16,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,735.25 : 28,088.97 = 11,337.95 : x
  2. Step 2: Convert to fraction form
    18,735.25/28,088.97 = 11,337.95/x
  3. Step 3: Cross multiply
    18,735.25x = 28,088.97 × 11,337.95
  4. Step 4: Simplify right side
    18,735.25x = 318,471,295.53
  5. Step 5: Solve for x
    x = 318,471,295.53/18,735.25
  6. Step 6: Final answer
    x = 16,998.51

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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.