Home / 18,389.72-27,583.14-6,705.56

Finding the Fourth Proportional to 18,389.72, 27,583.14 and 6,705.56

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Solution

The fourth proportional to 18,389.72, 27,583.14 and 6,705.56 is: 10,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,389.72 : 27,583.14 = 6,705.56 : x
  2. Step 2: Convert to fraction form
    18,389.72/27,583.14 = 6,705.56/x
  3. Step 3: Cross multiply
    18,389.72x = 27,583.14 × 6,705.56
  4. Step 4: Simplify right side
    18,389.72x = 184,960,400.26
  5. Step 5: Solve for x
    x = 184,960,400.26/18,389.72
  6. Step 6: Final answer
    x = 10,057.81

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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.