Home / 22,148.53-30,572.38-13,198.84

Finding the Fourth Proportional to 22,148.53, 30,572.38 and 13,198.84

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Solution

The fourth proportional to 22,148.53, 30,572.38 and 13,198.84 is: 18,218.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,148.53 : 30,572.38 = 13,198.84 : x
  2. Step 2: Convert to fraction form
    22,148.53/30,572.38 = 13,198.84/x
  3. Step 3: Cross multiply
    22,148.53x = 30,572.38 × 13,198.84
  4. Step 4: Simplify right side
    22,148.53x = 403,519,952.04
  5. Step 5: Solve for x
    x = 403,519,952.04/22,148.53
  6. Step 6: Final answer
    x = 18,218.81

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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.