Home / 8,945.20-13,419.30-4,014.88

Finding the Fourth Proportional to 8,945.20, 13,419.30 and 4,014.88

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Solution

The fourth proportional to 8,945.20, 13,419.30 and 4,014.88 is: 6,022.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.20 : 13,419.30 = 4,014.88 : x
  2. Step 2: Convert to fraction form
    8,945.20/13,419.30 = 4,014.88/x
  3. Step 3: Cross multiply
    8,945.20x = 13,419.30 × 4,014.88
  4. Step 4: Simplify right side
    8,945.20x = 53,876,879.18
  5. Step 5: Solve for x
    x = 53,876,879.18/8,945.20
  6. Step 6: Final answer
    x = 6,022.99

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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.