Home / 11,818.96-17,728.38-6,818.10

Finding the Fourth Proportional to 11,818.96, 17,728.38 and 6,818.10

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Solution

The fourth proportional to 11,818.96, 17,728.38 and 6,818.10 is: 10,227.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,818.96 : 17,728.38 = 6,818.10 : x
  2. Step 2: Convert to fraction form
    11,818.96/17,728.38 = 6,818.10/x
  3. Step 3: Cross multiply
    11,818.96x = 17,728.38 × 6,818.10
  4. Step 4: Simplify right side
    11,818.96x = 120,873,823.36
  5. Step 5: Solve for x
    x = 120,873,823.36/11,818.96
  6. Step 6: Final answer
    x = 10,227.11

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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.