Home / 13,349.03-19,997.82-7,487.87

Finding the Fourth Proportional to 13,349.03, 19,997.82 and 7,487.87

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Solution

The fourth proportional to 13,349.03, 19,997.82 and 7,487.87 is: 11,217.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,349.03 : 19,997.82 = 7,487.87 : x
  2. Step 2: Convert to fraction form
    13,349.03/19,997.82 = 7,487.87/x
  3. Step 3: Cross multiply
    13,349.03x = 19,997.82 × 7,487.87
  4. Step 4: Simplify right side
    13,349.03x = 149,740,976.45
  5. Step 5: Solve for x
    x = 149,740,976.45/13,349.03
  6. Step 6: Final answer
    x = 11,217.37

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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.