Home / 15,855.73-23,781.70-4,169.86

Finding the Fourth Proportional to 15,855.73, 23,781.70 and 4,169.86

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Solution

The fourth proportional to 15,855.73, 23,781.70 and 4,169.86 is: 6,254.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,855.73 : 23,781.70 = 4,169.86 : x
  2. Step 2: Convert to fraction form
    15,855.73/23,781.70 = 4,169.86/x
  3. Step 3: Cross multiply
    15,855.73x = 23,781.70 × 4,169.86
  4. Step 4: Simplify right side
    15,855.73x = 99,166,289.68
  5. Step 5: Solve for x
    x = 99,166,289.68/15,855.73
  6. Step 6: Final answer
    x = 6,254.29

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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.