Home / 22,184.08-30,620.68-13,237.84

Finding the Fourth Proportional to 22,184.08, 30,620.68 and 13,237.84

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Solution

The fourth proportional to 22,184.08, 30,620.68 and 13,237.84 is: 18,272.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,184.08 : 30,620.68 = 13,237.84 : x
  2. Step 2: Convert to fraction form
    22,184.08/30,620.68 = 13,237.84/x
  3. Step 3: Cross multiply
    22,184.08x = 30,620.68 × 13,237.84
  4. Step 4: Simplify right side
    22,184.08x = 405,351,662.53
  5. Step 5: Solve for x
    x = 405,351,662.53/22,184.08
  6. Step 6: Final answer
    x = 18,272.19

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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.