Home / 22,242.53-30,694.78-12,171.06

Finding the Fourth Proportional to 22,242.53, 30,694.78 and 12,171.06

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Solution

The fourth proportional to 22,242.53, 30,694.78 and 12,171.06 is: 16,796.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.53 : 30,694.78 = 12,171.06 : x
  2. Step 2: Convert to fraction form
    22,242.53/30,694.78 = 12,171.06/x
  3. Step 3: Cross multiply
    22,242.53x = 30,694.78 × 12,171.06
  4. Step 4: Simplify right side
    22,242.53x = 373,588,024.28
  5. Step 5: Solve for x
    x = 373,588,024.28/22,242.53
  6. Step 6: Final answer
    x = 16,796.11

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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.