Home / 22,920.13-34,372.99-8,879.19

Finding the Fourth Proportional to 22,920.13, 34,372.99 and 8,879.19

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Solution

The fourth proportional to 22,920.13, 34,372.99 and 8,879.19 is: 13,315.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,920.13 : 34,372.99 = 8,879.19 : x
  2. Step 2: Convert to fraction form
    22,920.13/34,372.99 = 8,879.19/x
  3. Step 3: Cross multiply
    22,920.13x = 34,372.99 × 8,879.19
  4. Step 4: Simplify right side
    22,920.13x = 305,204,309.08
  5. Step 5: Solve for x
    x = 305,204,309.08/22,920.13
  6. Step 6: Final answer
    x = 13,315.99

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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.