Home / 18,485.66-27,729.54-6,006.75

Finding the Fourth Proportional to 18,485.66, 27,729.54 and 6,006.75

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Solution

The fourth proportional to 18,485.66, 27,729.54 and 6,006.75 is: 9,010.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,485.66 : 27,729.54 = 6,006.75 : x
  2. Step 2: Convert to fraction form
    18,485.66/27,729.54 = 6,006.75/x
  3. Step 3: Cross multiply
    18,485.66x = 27,729.54 × 6,006.75
  4. Step 4: Simplify right side
    18,485.66x = 166,564,310.41
  5. Step 5: Solve for x
    x = 166,564,310.41/18,485.66
  6. Step 6: Final answer
    x = 9,010.46

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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.