Home / 18,894.11-28,344.24-6,412.83

Finding the Fourth Proportional to 18,894.11, 28,344.24 and 6,412.83

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Solution

The fourth proportional to 18,894.11, 28,344.24 and 6,412.83 is: 9,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,894.11 : 28,344.24 = 6,412.83 : x
  2. Step 2: Convert to fraction form
    18,894.11/28,344.24 = 6,412.83/x
  3. Step 3: Cross multiply
    18,894.11x = 28,344.24 × 6,412.83
  4. Step 4: Simplify right side
    18,894.11x = 181,766,792.60
  5. Step 5: Solve for x
    x = 181,766,792.60/18,894.11
  6. Step 6: Final answer
    x = 9,620.29

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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.