Home / 14,656.86-21,976.83-12,905.37

Finding the Fourth Proportional to 14,656.86, 21,976.83 and 12,905.37

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Solution

The fourth proportional to 14,656.86, 21,976.83 and 12,905.37 is: 19,350.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,656.86 : 21,976.83 = 12,905.37 : x
  2. Step 2: Convert to fraction form
    14,656.86/21,976.83 = 12,905.37/x
  3. Step 3: Cross multiply
    14,656.86x = 21,976.83 × 12,905.37
  4. Step 4: Simplify right side
    14,656.86x = 283,619,122.58
  5. Step 5: Solve for x
    x = 283,619,122.58/14,656.86
  6. Step 6: Final answer
    x = 19,350.61

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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.