Home / 15,183.30-22,781.25-6,857.58

Finding the Fourth Proportional to 15,183.30, 22,781.25 and 6,857.58

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Solution

The fourth proportional to 15,183.30, 22,781.25 and 6,857.58 is: 10,289.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,183.30 : 22,781.25 = 6,857.58 : x
  2. Step 2: Convert to fraction form
    15,183.30/22,781.25 = 6,857.58/x
  3. Step 3: Cross multiply
    15,183.30x = 22,781.25 × 6,857.58
  4. Step 4: Simplify right side
    15,183.30x = 156,224,244.38
  5. Step 5: Solve for x
    x = 156,224,244.38/15,183.30
  6. Step 6: Final answer
    x = 10,289.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.