Home / 18,583.91-27,885.79-8,723.28

Finding the Fourth Proportional to 18,583.91, 27,885.79 and 8,723.28

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Solution

The fourth proportional to 18,583.91, 27,885.79 and 8,723.28 is: 13,089.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,583.91 : 27,885.79 = 8,723.28 : x
  2. Step 2: Convert to fraction form
    18,583.91/27,885.79 = 8,723.28/x
  3. Step 3: Cross multiply
    18,583.91x = 27,885.79 × 8,723.28
  4. Step 4: Simplify right side
    18,583.91x = 243,255,371.15
  5. Step 5: Solve for x
    x = 243,255,371.15/18,583.91
  6. Step 6: Final answer
    x = 13,089.57

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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.