Home / 18,669.64-25,764.66-10,285.96

Finding the Fourth Proportional to 18,669.64, 25,764.66 and 10,285.96

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Solution

The fourth proportional to 18,669.64, 25,764.66 and 10,285.96 is: 14,194.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.64 : 25,764.66 = 10,285.96 : x
  2. Step 2: Convert to fraction form
    18,669.64/25,764.66 = 10,285.96/x
  3. Step 3: Cross multiply
    18,669.64x = 25,764.66 × 10,285.96
  4. Step 4: Simplify right side
    18,669.64x = 265,014,262.17
  5. Step 5: Solve for x
    x = 265,014,262.17/18,669.64
  6. Step 6: Final answer
    x = 14,194.93

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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.