Home / 18,233.61-27,350.43-5,086.32

Finding the Fourth Proportional to 18,233.61, 27,350.43 and 5,086.32

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Solution

The fourth proportional to 18,233.61, 27,350.43 and 5,086.32 is: 7,629.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,233.61 : 27,350.43 = 5,086.32 : x
  2. Step 2: Convert to fraction form
    18,233.61/27,350.43 = 5,086.32/x
  3. Step 3: Cross multiply
    18,233.61x = 27,350.43 × 5,086.32
  4. Step 4: Simplify right side
    18,233.61x = 139,113,039.12
  5. Step 5: Solve for x
    x = 139,113,039.12/18,233.61
  6. Step 6: Final answer
    x = 7,629.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.