Home / 14,879.20-22,318.80-4,489.60

Finding the Fourth Proportional to 14,879.20, 22,318.80 and 4,489.60

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Solution

The fourth proportional to 14,879.20, 22,318.80 and 4,489.60 is: 6,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.20 : 22,318.80 = 4,489.60 : x
  2. Step 2: Convert to fraction form
    14,879.20/22,318.80 = 4,489.60/x
  3. Step 3: Cross multiply
    14,879.20x = 22,318.80 × 4,489.60
  4. Step 4: Simplify right side
    14,879.20x = 100,202,484.48
  5. Step 5: Solve for x
    x = 100,202,484.48/14,879.20
  6. Step 6: Final answer
    x = 6,734.40

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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.