Home / 15,766.60-23,640.90-5,906.20

Finding the Fourth Proportional to 15,766.60, 23,640.90 and 5,906.20

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Solution

The fourth proportional to 15,766.60, 23,640.90 and 5,906.20 is: 8,855.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,766.60 : 23,640.90 = 5,906.20 : x
  2. Step 2: Convert to fraction form
    15,766.60/23,640.90 = 5,906.20/x
  3. Step 3: Cross multiply
    15,766.60x = 23,640.90 × 5,906.20
  4. Step 4: Simplify right side
    15,766.60x = 139,627,883.58
  5. Step 5: Solve for x
    x = 139,627,883.58/15,766.60
  6. Step 6: Final answer
    x = 8,855.93

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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.