Home / 9,489.36-13,092.27-5,455.11

Finding the Fourth Proportional to 9,489.36, 13,092.27 and 5,455.11

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Solution

The fourth proportional to 9,489.36, 13,092.27 and 5,455.11 is: 7,526.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,489.36 : 13,092.27 = 5,455.11 : x
  2. Step 2: Convert to fraction form
    9,489.36/13,092.27 = 5,455.11/x
  3. Step 3: Cross multiply
    9,489.36x = 13,092.27 × 5,455.11
  4. Step 4: Simplify right side
    9,489.36x = 71,419,810.84
  5. Step 5: Solve for x
    x = 71,419,810.84/9,489.36
  6. Step 6: Final answer
    x = 7,526.31

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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.