Home / 19,314.60-28,969.20-6,168.30

Finding the Fourth Proportional to 19,314.60, 28,969.20 and 6,168.30

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Solution

The fourth proportional to 19,314.60, 28,969.20 and 6,168.30 is: 9,251.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,314.60 : 28,969.20 = 6,168.30 : x
  2. Step 2: Convert to fraction form
    19,314.60/28,969.20 = 6,168.30/x
  3. Step 3: Cross multiply
    19,314.60x = 28,969.20 × 6,168.30
  4. Step 4: Simplify right side
    19,314.60x = 178,690,716.36
  5. Step 5: Solve for x
    x = 178,690,716.36/19,314.60
  6. Step 6: Final answer
    x = 9,251.59

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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.