Home / 13,299.06-18,352.62-7,249.30

Finding the Fourth Proportional to 13,299.06, 18,352.62 and 7,249.30

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Solution

The fourth proportional to 13,299.06, 18,352.62 and 7,249.30 is: 10,003.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,299.06 : 18,352.62 = 7,249.30 : x
  2. Step 2: Convert to fraction form
    13,299.06/18,352.62 = 7,249.30/x
  3. Step 3: Cross multiply
    13,299.06x = 18,352.62 × 7,249.30
  4. Step 4: Simplify right side
    13,299.06x = 133,043,648.17
  5. Step 5: Solve for x
    x = 133,043,648.17/13,299.06
  6. Step 6: Final answer
    x = 10,003.99

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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.