Home / 14,879.24-22,283.68-12,920.80

Finding the Fourth Proportional to 14,879.24, 22,283.68 and 12,920.80

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Solution

The fourth proportional to 14,879.24, 22,283.68 and 12,920.80 is: 19,350.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,879.24 : 22,283.68 = 12,920.80 : x
  2. Step 2: Convert to fraction form
    14,879.24/22,283.68 = 12,920.80/x
  3. Step 3: Cross multiply
    14,879.24x = 22,283.68 × 12,920.80
  4. Step 4: Simplify right side
    14,879.24x = 287,922,972.54
  5. Step 5: Solve for x
    x = 287,922,972.54/14,879.24
  6. Step 6: Final answer
    x = 19,350.65

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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.