Home / 11,339.30-17,013.80-6,401.54

Finding the Fourth Proportional to 11,339.30, 17,013.80 and 6,401.54

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Solution

The fourth proportional to 11,339.30, 17,013.80 and 6,401.54 is: 9,605.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,339.30 : 17,013.80 = 6,401.54 : x
  2. Step 2: Convert to fraction form
    11,339.30/17,013.80 = 6,401.54/x
  3. Step 3: Cross multiply
    11,339.30x = 17,013.80 × 6,401.54
  4. Step 4: Simplify right side
    11,339.30x = 108,914,489.24
  5. Step 5: Solve for x
    x = 108,914,489.24/11,339.30
  6. Step 6: Final answer
    x = 9,605.05

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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.