Home / 18,983.20-28,471.87-6,333.18

Finding the Fourth Proportional to 18,983.20, 28,471.87 and 6,333.18

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Solution

The fourth proportional to 18,983.20, 28,471.87 and 6,333.18 is: 9,498.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,983.20 : 28,471.87 = 6,333.18 : x
  2. Step 2: Convert to fraction form
    18,983.20/28,471.87 = 6,333.18/x
  3. Step 3: Cross multiply
    18,983.20x = 28,471.87 × 6,333.18
  4. Step 4: Simplify right side
    18,983.20x = 180,317,477.65
  5. Step 5: Solve for x
    x = 180,317,477.65/18,983.20
  6. Step 6: Final answer
    x = 9,498.79

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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.