Home / 12,328.38-18,500.67-4,537.26

Finding the Fourth Proportional to 12,328.38, 18,500.67 and 4,537.26

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Solution

The fourth proportional to 12,328.38, 18,500.67 and 4,537.26 is: 6,808.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,328.38 : 18,500.67 = 4,537.26 : x
  2. Step 2: Convert to fraction form
    12,328.38/18,500.67 = 4,537.26/x
  3. Step 3: Cross multiply
    12,328.38x = 18,500.67 × 4,537.26
  4. Step 4: Simplify right side
    12,328.38x = 83,942,349.96
  5. Step 5: Solve for x
    x = 83,942,349.96/12,328.38
  6. Step 6: Final answer
    x = 6,808.87

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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.