Home / 18,330.09-27,432.81-11,314.53

Finding the Fourth Proportional to 18,330.09, 27,432.81 and 11,314.53

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Solution

The fourth proportional to 18,330.09, 27,432.81 and 11,314.53 is: 16,933.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,330.09 : 27,432.81 = 11,314.53 : x
  2. Step 2: Convert to fraction form
    18,330.09/27,432.81 = 11,314.53/x
  3. Step 3: Cross multiply
    18,330.09x = 27,432.81 × 11,314.53
  4. Step 4: Simplify right side
    18,330.09x = 310,389,351.73
  5. Step 5: Solve for x
    x = 310,389,351.73/18,330.09
  6. Step 6: Final answer
    x = 16,933.32

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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.