Home / 22,014.20-30,372.41-12,453.16

Finding the Fourth Proportional to 22,014.20, 30,372.41 and 12,453.16

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Solution

The fourth proportional to 22,014.20, 30,372.41 and 12,453.16 is: 17,181.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.20 : 30,372.41 = 12,453.16 : x
  2. Step 2: Convert to fraction form
    22,014.20/30,372.41 = 12,453.16/x
  3. Step 3: Cross multiply
    22,014.20x = 30,372.41 × 12,453.16
  4. Step 4: Simplify right side
    22,014.20x = 378,232,436.52
  5. Step 5: Solve for x
    x = 378,232,436.52/22,014.20
  6. Step 6: Final answer
    x = 17,181.30

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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.