Home / 22,372.19-30,861.47-13,871.44

Finding the Fourth Proportional to 22,372.19, 30,861.47 and 13,871.44

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Solution

The fourth proportional to 22,372.19, 30,861.47 and 13,871.44 is: 19,135.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,372.19 : 30,861.47 = 13,871.44 : x
  2. Step 2: Convert to fraction form
    22,372.19/30,861.47 = 13,871.44/x
  3. Step 3: Cross multiply
    22,372.19x = 30,861.47 × 13,871.44
  4. Step 4: Simplify right side
    22,372.19x = 428,093,029.42
  5. Step 5: Solve for x
    x = 428,093,029.42/22,372.19
  6. Step 6: Final answer
    x = 19,135.05

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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.