Home / 13,067.31-18,032.67-7,099.07

Finding the Fourth Proportional to 13,067.31, 18,032.67 and 7,099.07

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Solution

The fourth proportional to 13,067.31, 18,032.67 and 7,099.07 is: 9,796.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,067.31 : 18,032.67 = 7,099.07 : x
  2. Step 2: Convert to fraction form
    13,067.31/18,032.67 = 7,099.07/x
  3. Step 3: Cross multiply
    13,067.31x = 18,032.67 × 7,099.07
  4. Step 4: Simplify right side
    13,067.31x = 128,015,186.62
  5. Step 5: Solve for x
    x = 128,015,186.62/13,067.31
  6. Step 6: Final answer
    x = 9,796.60

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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.