Home / 22,242.62-30,693.49-12,169.06

Finding the Fourth Proportional to 22,242.62, 30,693.49 and 12,169.06

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Solution

The fourth proportional to 22,242.62, 30,693.49 and 12,169.06 is: 16,792.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,242.62 : 30,693.49 = 12,169.06 : x
  2. Step 2: Convert to fraction form
    22,242.62/30,693.49 = 12,169.06/x
  3. Step 3: Cross multiply
    22,242.62x = 30,693.49 × 12,169.06
  4. Step 4: Simplify right side
    22,242.62x = 373,510,921.42
  5. Step 5: Solve for x
    x = 373,510,921.42/22,242.62
  6. Step 6: Final answer
    x = 16,792.58

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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.