Home / 18,409.82-27,619.21-5,931.03

Finding the Fourth Proportional to 18,409.82, 27,619.21 and 5,931.03

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Solution

The fourth proportional to 18,409.82, 27,619.21 and 5,931.03 is: 8,897.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,409.82 : 27,619.21 = 5,931.03 : x
  2. Step 2: Convert to fraction form
    18,409.82/27,619.21 = 5,931.03/x
  3. Step 3: Cross multiply
    18,409.82x = 27,619.21 × 5,931.03
  4. Step 4: Simplify right side
    18,409.82x = 163,810,363.09
  5. Step 5: Solve for x
    x = 163,810,363.09/18,409.82
  6. Step 6: Final answer
    x = 8,897.99

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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.