Home / 18,310.97-25,268.10-10,353.53

Finding the Fourth Proportional to 18,310.97, 25,268.10 and 10,353.53

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Solution

The fourth proportional to 18,310.97, 25,268.10 and 10,353.53 is: 14,287.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.97 : 25,268.10 = 10,353.53 : x
  2. Step 2: Convert to fraction form
    18,310.97/25,268.10 = 10,353.53/x
  3. Step 3: Cross multiply
    18,310.97x = 25,268.10 × 10,353.53
  4. Step 4: Simplify right side
    18,310.97x = 261,614,031.39
  5. Step 5: Solve for x
    x = 261,614,031.39/18,310.97
  6. Step 6: Final answer
    x = 14,287.28

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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.