Home / 10,620.75-14,656.64-5,905.97

Finding the Fourth Proportional to 10,620.75, 14,656.64 and 5,905.97

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Solution

The fourth proportional to 10,620.75, 14,656.64 and 5,905.97 is: 8,150.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,620.75 : 14,656.64 = 5,905.97 : x
  2. Step 2: Convert to fraction form
    10,620.75/14,656.64 = 5,905.97/x
  3. Step 3: Cross multiply
    10,620.75x = 14,656.64 × 5,905.97
  4. Step 4: Simplify right side
    10,620.75x = 86,561,573.33
  5. Step 5: Solve for x
    x = 86,561,573.33/10,620.75
  6. Step 6: Final answer
    x = 8,150.23

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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.