Home / 13,217.19-18,239.73-7,249.25

Finding the Fourth Proportional to 13,217.19, 18,239.73 and 7,249.25

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Solution

The fourth proportional to 13,217.19, 18,239.73 and 7,249.25 is: 10,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,217.19 : 18,239.73 = 7,249.25 : x
  2. Step 2: Convert to fraction form
    13,217.19/18,239.73 = 7,249.25/x
  3. Step 3: Cross multiply
    13,217.19x = 18,239.73 × 7,249.25
  4. Step 4: Simplify right side
    13,217.19x = 132,224,271.50
  5. Step 5: Solve for x
    x = 132,224,271.50/13,217.19
  6. Step 6: Final answer
    x = 10,003.96

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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.