Home / 18,694.48-28,041.68-6,215.44

Finding the Fourth Proportional to 18,694.48, 28,041.68 and 6,215.44

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Solution

The fourth proportional to 18,694.48, 28,041.68 and 6,215.44 is: 9,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.48 : 28,041.68 = 6,215.44 : x
  2. Step 2: Convert to fraction form
    18,694.48/28,041.68 = 6,215.44/x
  3. Step 3: Cross multiply
    18,694.48x = 28,041.68 × 6,215.44
  4. Step 4: Simplify right side
    18,694.48x = 174,291,379.54
  5. Step 5: Solve for x
    x = 174,291,379.54/18,694.48
  6. Step 6: Final answer
    x = 9,323.15

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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.