Home / 18,979.23-28,462.77-8,982.62

Finding the Fourth Proportional to 18,979.23, 28,462.77 and 8,982.62

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Solution

The fourth proportional to 18,979.23, 28,462.77 and 8,982.62 is: 13,471.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,979.23 : 28,462.77 = 8,982.62 : x
  2. Step 2: Convert to fraction form
    18,979.23/28,462.77 = 8,982.62/x
  3. Step 3: Cross multiply
    18,979.23x = 28,462.77 × 8,982.62
  4. Step 4: Simplify right side
    18,979.23x = 255,670,104.74
  5. Step 5: Solve for x
    x = 255,670,104.74/18,979.23
  6. Step 6: Final answer
    x = 13,471.05

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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.