Home / 21,183.04-29,233.94-12,232.20

Finding the Fourth Proportional to 21,183.04, 29,233.94 and 12,232.20

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Solution

The fourth proportional to 21,183.04, 29,233.94 and 12,232.20 is: 16,881.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,183.04 : 29,233.94 = 12,232.20 : x
  2. Step 2: Convert to fraction form
    21,183.04/29,233.94 = 12,232.20/x
  3. Step 3: Cross multiply
    21,183.04x = 29,233.94 × 12,232.20
  4. Step 4: Simplify right side
    21,183.04x = 357,595,400.87
  5. Step 5: Solve for x
    x = 357,595,400.87/21,183.04
  6. Step 6: Final answer
    x = 16,881.21

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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.