Home / 13,297.05-19,950.09-8,360.91

Finding the Fourth Proportional to 13,297.05, 19,950.09 and 8,360.91

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Solution

The fourth proportional to 13,297.05, 19,950.09 and 8,360.91 is: 12,544.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,297.05 : 19,950.09 = 8,360.91 : x
  2. Step 2: Convert to fraction form
    13,297.05/19,950.09 = 8,360.91/x
  3. Step 3: Cross multiply
    13,297.05x = 19,950.09 × 8,360.91
  4. Step 4: Simplify right side
    13,297.05x = 166,800,906.98
  5. Step 5: Solve for x
    x = 166,800,906.98/13,297.05
  6. Step 6: Final answer
    x = 12,544.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.