Home / 14,690.87-20,273.59-7,976.61

Finding the Fourth Proportional to 14,690.87, 20,273.59 and 7,976.61

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Solution

The fourth proportional to 14,690.87, 20,273.59 and 7,976.61 is: 11,007.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,690.87 : 20,273.59 = 7,976.61 : x
  2. Step 2: Convert to fraction form
    14,690.87/20,273.59 = 7,976.61/x
  3. Step 3: Cross multiply
    14,690.87x = 20,273.59 × 7,976.61
  4. Step 4: Simplify right side
    14,690.87x = 161,714,530.70
  5. Step 5: Solve for x
    x = 161,714,530.70/14,690.87
  6. Step 6: Final answer
    x = 11,007.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.