Home / 11,431.01-17,134.75-6,490.22

Finding the Fourth Proportional to 11,431.01, 17,134.75 and 6,490.22

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Solution

The fourth proportional to 11,431.01, 17,134.75 and 6,490.22 is: 9,728.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,431.01 : 17,134.75 = 6,490.22 : x
  2. Step 2: Convert to fraction form
    11,431.01/17,134.75 = 6,490.22/x
  3. Step 3: Cross multiply
    11,431.01x = 17,134.75 × 6,490.22
  4. Step 4: Simplify right side
    11,431.01x = 111,208,195.25
  5. Step 5: Solve for x
    x = 111,208,195.25/11,431.01
  6. Step 6: Final answer
    x = 9,728.64

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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.