Home / 13,118.08-19,682.92-6,876.60

Finding the Fourth Proportional to 13,118.08, 19,682.92 and 6,876.60

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Solution

The fourth proportional to 13,118.08, 19,682.92 and 6,876.60 is: 10,317.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.08 : 19,682.92 = 6,876.60 : x
  2. Step 2: Convert to fraction form
    13,118.08/19,682.92 = 6,876.60/x
  3. Step 3: Cross multiply
    13,118.08x = 19,682.92 × 6,876.60
  4. Step 4: Simplify right side
    13,118.08x = 135,351,650.08
  5. Step 5: Solve for x
    x = 135,351,650.08/13,118.08
  6. Step 6: Final answer
    x = 10,317.95

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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.