Home / 18,243.82-25,176.39-9,860.32

Finding the Fourth Proportional to 18,243.82, 25,176.39 and 9,860.32

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Solution

The fourth proportional to 18,243.82, 25,176.39 and 9,860.32 is: 13,607.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,243.82 : 25,176.39 = 9,860.32 : x
  2. Step 2: Convert to fraction form
    18,243.82/25,176.39 = 9,860.32/x
  3. Step 3: Cross multiply
    18,243.82x = 25,176.39 × 9,860.32
  4. Step 4: Simplify right side
    18,243.82x = 248,247,135.96
  5. Step 5: Solve for x
    x = 248,247,135.96/18,243.82
  6. Step 6: Final answer
    x = 13,607.19

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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.