Home / 13,173.93-18,180.04-7,431.46

Finding the Fourth Proportional to 13,173.93, 18,180.04 and 7,431.46

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Solution

The fourth proportional to 13,173.93, 18,180.04 and 7,431.46 is: 10,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.93 : 18,180.04 = 7,431.46 : x
  2. Step 2: Convert to fraction form
    13,173.93/18,180.04 = 7,431.46/x
  3. Step 3: Cross multiply
    13,173.93x = 18,180.04 × 7,431.46
  4. Step 4: Simplify right side
    13,173.93x = 135,104,240.06
  5. Step 5: Solve for x
    x = 135,104,240.06/13,173.93
  6. Step 6: Final answer
    x = 10,255.42

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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.