Home / 11,210.06-15,469.89-6,497.08

Finding the Fourth Proportional to 11,210.06, 15,469.89 and 6,497.08

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Solution

The fourth proportional to 11,210.06, 15,469.89 and 6,497.08 is: 8,965.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,210.06 : 15,469.89 = 6,497.08 : x
  2. Step 2: Convert to fraction form
    11,210.06/15,469.89 = 6,497.08/x
  3. Step 3: Cross multiply
    11,210.06x = 15,469.89 × 6,497.08
  4. Step 4: Simplify right side
    11,210.06x = 100,509,049.88
  5. Step 5: Solve for x
    x = 100,509,049.88/11,210.06
  6. Step 6: Final answer
    x = 8,965.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.