Home / 18,765.12-25,893.31-10,699.81

Finding the Fourth Proportional to 18,765.12, 25,893.31 and 10,699.81

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Solution

The fourth proportional to 18,765.12, 25,893.31 and 10,699.81 is: 14,764.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,765.12 : 25,893.31 = 10,699.81 : x
  2. Step 2: Convert to fraction form
    18,765.12/25,893.31 = 10,699.81/x
  3. Step 3: Cross multiply
    18,765.12x = 25,893.31 × 10,699.81
  4. Step 4: Simplify right side
    18,765.12x = 277,053,497.27
  5. Step 5: Solve for x
    x = 277,053,497.27/18,765.12
  6. Step 6: Final answer
    x = 14,764.28

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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.