Home / 11,455.33-17,261.03-9,420.91

Finding the Fourth Proportional to 11,455.33, 17,261.03 and 9,420.91

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Solution

The fourth proportional to 11,455.33, 17,261.03 and 9,420.91 is: 14,195.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,455.33 : 17,261.03 = 9,420.91 : x
  2. Step 2: Convert to fraction form
    11,455.33/17,261.03 = 9,420.91/x
  3. Step 3: Cross multiply
    11,455.33x = 17,261.03 × 9,420.91
  4. Step 4: Simplify right side
    11,455.33x = 162,614,610.14
  5. Step 5: Solve for x
    x = 162,614,610.14/11,455.33
  6. Step 6: Final answer
    x = 14,195.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.