Home / 14,317.39-21,479.52-5,992.78

Finding the Fourth Proportional to 14,317.39, 21,479.52 and 5,992.78

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Solution

The fourth proportional to 14,317.39, 21,479.52 and 5,992.78 is: 8,990.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,317.39 : 21,479.52 = 5,992.78 : x
  2. Step 2: Convert to fraction form
    14,317.39/21,479.52 = 5,992.78/x
  3. Step 3: Cross multiply
    14,317.39x = 21,479.52 × 5,992.78
  4. Step 4: Simplify right side
    14,317.39x = 128,722,037.87
  5. Step 5: Solve for x
    x = 128,722,037.87/14,317.39
  6. Step 6: Final answer
    x = 8,990.61

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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.