Home / 18,822.08-28,237.74-13,286.24

Finding the Fourth Proportional to 18,822.08, 28,237.74 and 13,286.24

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Solution

The fourth proportional to 18,822.08, 28,237.74 and 13,286.24 is: 19,932.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,822.08 : 28,237.74 = 13,286.24 : x
  2. Step 2: Convert to fraction form
    18,822.08/28,237.74 = 13,286.24/x
  3. Step 3: Cross multiply
    18,822.08x = 28,237.74 × 13,286.24
  4. Step 4: Simplify right side
    18,822.08x = 375,173,390.70
  5. Step 5: Solve for x
    x = 375,173,390.70/18,822.08
  6. Step 6: Final answer
    x = 19,932.62

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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.