Home / 13,297.50-18,348.12-7,993.62

Finding the Fourth Proportional to 13,297.50, 18,348.12 and 7,993.62

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Solution

The fourth proportional to 13,297.50, 18,348.12 and 7,993.62 is: 11,029.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.50 : 18,348.12 = 7,993.62 : x
  2. Step 2: Convert to fraction form
    13,297.50/18,348.12 = 7,993.62/x
  3. Step 3: Cross multiply
    13,297.50x = 18,348.12 × 7,993.62
  4. Step 4: Simplify right side
    13,297.50x = 146,667,898.99
  5. Step 5: Solve for x
    x = 146,667,898.99/13,297.50
  6. Step 6: Final answer
    x = 11,029.73

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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.