Home / 13,191.24-19,786.70-5,297.25

Finding the Fourth Proportional to 13,191.24, 19,786.70 and 5,297.25

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Solution

The fourth proportional to 13,191.24, 19,786.70 and 5,297.25 is: 7,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,191.24 : 19,786.70 = 5,297.25 : x
  2. Step 2: Convert to fraction form
    13,191.24/19,786.70 = 5,297.25/x
  3. Step 3: Cross multiply
    13,191.24x = 19,786.70 × 5,297.25
  4. Step 4: Simplify right side
    13,191.24x = 104,815,070.09
  5. Step 5: Solve for x
    x = 104,815,070.09/13,191.24
  6. Step 6: Final answer
    x = 7,945.81

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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.