Home / 13,173.83-18,180.14-7,205.88

Finding the Fourth Proportional to 13,173.83, 18,180.14 and 7,205.88

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Solution

The fourth proportional to 13,173.83, 18,180.14 and 7,205.88 is: 9,944.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,173.83 : 18,180.14 = 7,205.88 : x
  2. Step 2: Convert to fraction form
    13,173.83/18,180.14 = 7,205.88/x
  3. Step 3: Cross multiply
    13,173.83x = 18,180.14 × 7,205.88
  4. Step 4: Simplify right side
    13,173.83x = 131,003,907.22
  5. Step 5: Solve for x
    x = 131,003,907.22/13,173.83
  6. Step 6: Final answer
    x = 9,944.26

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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.