Home / 11,610.18-17,384.31-6,672.42

Finding the Fourth Proportional to 11,610.18, 17,384.31 and 6,672.42

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Solution

The fourth proportional to 11,610.18, 17,384.31 and 6,672.42 is: 9,990.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,610.18 : 17,384.31 = 6,672.42 : x
  2. Step 2: Convert to fraction form
    11,610.18/17,384.31 = 6,672.42/x
  3. Step 3: Cross multiply
    11,610.18x = 17,384.31 × 6,672.42
  4. Step 4: Simplify right side
    11,610.18x = 115,995,417.73
  5. Step 5: Solve for x
    x = 115,995,417.73/11,610.18
  6. Step 6: Final answer
    x = 9,990.84

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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.