Home / 18,645.05-25,729.65-10,146.97

Finding the Fourth Proportional to 18,645.05, 25,729.65 and 10,146.97

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Solution

The fourth proportional to 18,645.05, 25,729.65 and 10,146.97 is: 14,002.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,645.05 : 25,729.65 = 10,146.97 : x
  2. Step 2: Convert to fraction form
    18,645.05/25,729.65 = 10,146.97/x
  3. Step 3: Cross multiply
    18,645.05x = 25,729.65 × 10,146.97
  4. Step 4: Simplify right side
    18,645.05x = 261,077,986.66
  5. Step 5: Solve for x
    x = 261,077,986.66/18,645.05
  6. Step 6: Final answer
    x = 14,002.54

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1.5x scale

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.