Home / 13,169.24-18,173.60-7,201.01

Finding the Fourth Proportional to 13,169.24, 18,173.60 and 7,201.01

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Solution

The fourth proportional to 13,169.24, 18,173.60 and 7,201.01 is: 9,937.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,169.24 : 18,173.60 = 7,201.01 : x
  2. Step 2: Convert to fraction form
    13,169.24/18,173.60 = 7,201.01/x
  3. Step 3: Cross multiply
    13,169.24x = 18,173.60 × 7,201.01
  4. Step 4: Simplify right side
    13,169.24x = 130,868,311.77
  5. Step 5: Solve for x
    x = 130,868,311.77/13,169.24
  6. Step 6: Final answer
    x = 9,937.42

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.