Home / 18,294.09-27,438.30-5,812.50

Finding the Fourth Proportional to 18,294.09, 27,438.30 and 5,812.50

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Solution

The fourth proportional to 18,294.09, 27,438.30 and 5,812.50 is: 8,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,294.09 : 27,438.30 = 5,812.50 : x
  2. Step 2: Convert to fraction form
    18,294.09/27,438.30 = 5,812.50/x
  3. Step 3: Cross multiply
    18,294.09x = 27,438.30 × 5,812.50
  4. Step 4: Simplify right side
    18,294.09x = 159,485,118.75
  5. Step 5: Solve for x
    x = 159,485,118.75/18,294.09
  6. Step 6: Final answer
    x = 8,717.85

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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.