Home / 18,669.93-25,764.51-10,286.43

Finding the Fourth Proportional to 18,669.93, 25,764.51 and 10,286.43

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Solution

The fourth proportional to 18,669.93, 25,764.51 and 10,286.43 is: 14,195.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,669.93 : 25,764.51 = 10,286.43 : x
  2. Step 2: Convert to fraction form
    18,669.93/25,764.51 = 10,286.43/x
  3. Step 3: Cross multiply
    18,669.93x = 25,764.51 × 10,286.43
  4. Step 4: Simplify right side
    18,669.93x = 265,024,828.60
  5. Step 5: Solve for x
    x = 265,024,828.60/18,669.93
  6. Step 6: Final answer
    x = 14,195.28

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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.