Home / 13,976.06-19,287.74-8,008.71

Finding the Fourth Proportional to 13,976.06, 19,287.74 and 8,008.71

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Solution

The fourth proportional to 13,976.06, 19,287.74 and 8,008.71 is: 11,052.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,976.06 : 19,287.74 = 8,008.71 : x
  2. Step 2: Convert to fraction form
    13,976.06/19,287.74 = 8,008.71/x
  3. Step 3: Cross multiply
    13,976.06x = 19,287.74 × 8,008.71
  4. Step 4: Simplify right side
    13,976.06x = 154,469,876.17
  5. Step 5: Solve for x
    x = 154,469,876.17/13,976.06
  6. Step 6: Final answer
    x = 11,052.47

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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.