Home / 18,650.60-27,969.20-6,168.32

Finding the Fourth Proportional to 18,650.60, 27,969.20 and 6,168.32

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Solution

The fourth proportional to 18,650.60, 27,969.20 and 6,168.32 is: 9,250.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,650.60 : 27,969.20 = 6,168.32 : x
  2. Step 2: Convert to fraction form
    18,650.60/27,969.20 = 6,168.32/x
  3. Step 3: Cross multiply
    18,650.60x = 27,969.20 × 6,168.32
  4. Step 4: Simplify right side
    18,650.60x = 172,522,975.74
  5. Step 5: Solve for x
    x = 172,522,975.74/18,650.60
  6. Step 6: Final answer
    x = 9,250.26

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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.