Home / 18,353.36-25,329.03-10,395.38

Finding the Fourth Proportional to 18,353.36, 25,329.03 and 10,395.38

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Solution

The fourth proportional to 18,353.36, 25,329.03 and 10,395.38 is: 14,346.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,353.36 : 25,329.03 = 10,395.38 : x
  2. Step 2: Convert to fraction form
    18,353.36/25,329.03 = 10,395.38/x
  3. Step 3: Cross multiply
    18,353.36x = 25,329.03 × 10,395.38
  4. Step 4: Simplify right side
    18,353.36x = 263,304,891.88
  5. Step 5: Solve for x
    x = 263,304,891.88/18,353.36
  6. Step 6: Final answer
    x = 14,346.41

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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.