Home / 11,406.06-17,120.03-6,479.87

Finding the Fourth Proportional to 11,406.06, 17,120.03 and 6,479.87

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Solution

The fourth proportional to 11,406.06, 17,120.03 and 6,479.87 is: 9,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.06 : 17,120.03 = 6,479.87 : x
  2. Step 2: Convert to fraction form
    11,406.06/17,120.03 = 6,479.87/x
  3. Step 3: Cross multiply
    11,406.06x = 17,120.03 × 6,479.87
  4. Step 4: Simplify right side
    11,406.06x = 110,935,450.80
  5. Step 5: Solve for x
    x = 110,935,450.80/11,406.06
  6. Step 6: Final answer
    x = 9,726.01

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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.