Home / 18,089.16-27,138.04-7,553.32

Finding the Fourth Proportional to 18,089.16, 27,138.04 and 7,553.32

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Solution

The fourth proportional to 18,089.16, 27,138.04 and 7,553.32 is: 11,331.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,089.16 : 27,138.04 = 7,553.32 : x
  2. Step 2: Convert to fraction form
    18,089.16/27,138.04 = 7,553.32/x
  3. Step 3: Cross multiply
    18,089.16x = 27,138.04 × 7,553.32
  4. Step 4: Simplify right side
    18,089.16x = 204,982,300.29
  5. Step 5: Solve for x
    x = 204,982,300.29/18,089.16
  6. Step 6: Final answer
    x = 11,331.78

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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.