Home / 22,014.45-30,372.76-12,453.41

Finding the Fourth Proportional to 22,014.45, 30,372.76 and 12,453.41

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Solution

The fourth proportional to 22,014.45, 30,372.76 and 12,453.41 is: 17,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,014.45 : 30,372.76 = 12,453.41 : x
  2. Step 2: Convert to fraction form
    22,014.45/30,372.76 = 12,453.41/x
  3. Step 3: Cross multiply
    22,014.45x = 30,372.76 × 12,453.41
  4. Step 4: Simplify right side
    22,014.45x = 378,244,433.11
  5. Step 5: Solve for x
    x = 378,244,433.11/22,014.45
  6. Step 6: Final answer
    x = 17,181.64

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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.