Home / 15,778.82-23,660.94-5,911.04

Finding the Fourth Proportional to 15,778.82, 23,660.94 and 5,911.04

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Solution

The fourth proportional to 15,778.82, 23,660.94 and 5,911.04 is: 8,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,778.82 : 23,660.94 = 5,911.04 : x
  2. Step 2: Convert to fraction form
    15,778.82/23,660.94 = 5,911.04/x
  3. Step 3: Cross multiply
    15,778.82x = 23,660.94 × 5,911.04
  4. Step 4: Simplify right side
    15,778.82x = 139,860,762.78
  5. Step 5: Solve for x
    x = 139,860,762.78/15,778.82
  6. Step 6: Final answer
    x = 8,863.83

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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.