Home / 12,508.13-18,762.19-5,930.72

Finding the Fourth Proportional to 12,508.13, 18,762.19 and 5,930.72

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Solution

The fourth proportional to 12,508.13, 18,762.19 and 5,930.72 is: 8,896.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,508.13 : 18,762.19 = 5,930.72 : x
  2. Step 2: Convert to fraction form
    12,508.13/18,762.19 = 5,930.72/x
  3. Step 3: Cross multiply
    12,508.13x = 18,762.19 × 5,930.72
  4. Step 4: Simplify right side
    12,508.13x = 111,273,396.09
  5. Step 5: Solve for x
    x = 111,273,396.09/12,508.13
  6. Step 6: Final answer
    x = 8,896.09

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Similar ratio
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1.5x scale

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.