Home / 13,163.56-18,165.67-7,195.23

Finding the Fourth Proportional to 13,163.56, 18,165.67 and 7,195.23

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Solution

The fourth proportional to 13,163.56, 18,165.67 and 7,195.23 is: 9,929.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,163.56 : 18,165.67 = 7,195.23 : x
  2. Step 2: Convert to fraction form
    13,163.56/18,165.67 = 7,195.23/x
  3. Step 3: Cross multiply
    13,163.56x = 18,165.67 × 7,195.23
  4. Step 4: Simplify right side
    13,163.56x = 130,706,173.75
  5. Step 5: Solve for x
    x = 130,706,173.75/13,163.56
  6. Step 6: Final answer
    x = 9,929.39

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Half scale
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Double scale
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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.