Home / 18,231.67-27,331.10-6,542.16

Finding the Fourth Proportional to 18,231.67, 27,331.10 and 6,542.16

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Solution

The fourth proportional to 18,231.67, 27,331.10 and 6,542.16 is: 9,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,231.67 : 27,331.10 = 6,542.16 : x
  2. Step 2: Convert to fraction form
    18,231.67/27,331.10 = 6,542.16/x
  3. Step 3: Cross multiply
    18,231.67x = 27,331.10 × 6,542.16
  4. Step 4: Simplify right side
    18,231.67x = 178,804,429.18
  5. Step 5: Solve for x
    x = 178,804,429.18/18,231.67
  6. Step 6: Final answer
    x = 9,807.35

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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.