Home / 13,163.44-18,165.52-7,195.16

Finding the Fourth Proportional to 13,163.44, 18,165.52 and 7,195.16

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Solution

The fourth proportional to 13,163.44, 18,165.52 and 7,195.16 is: 9,929.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.44 : 18,165.52 = 7,195.16 : x
  2. Step 2: Convert to fraction form
    13,163.44/18,165.52 = 7,195.16/x
  3. Step 3: Cross multiply
    13,163.44x = 18,165.52 × 7,195.16
  4. Step 4: Simplify right side
    13,163.44x = 130,703,822.88
  5. Step 5: Solve for x
    x = 130,703,822.88/13,163.44
  6. Step 6: Final answer
    x = 9,929.31

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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.