Home / 13,348.78-19,997.44-7,487.62

Finding the Fourth Proportional to 13,348.78, 19,997.44 and 7,487.62

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Solution

The fourth proportional to 13,348.78, 19,997.44 and 7,487.62 is: 11,217.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,348.78 : 19,997.44 = 7,487.62 : x
  2. Step 2: Convert to fraction form
    13,348.78/19,997.44 = 7,487.62/x
  3. Step 3: Cross multiply
    13,348.78x = 19,997.44 × 7,487.62
  4. Step 4: Simplify right side
    13,348.78x = 149,733,231.69
  5. Step 5: Solve for x
    x = 149,733,231.69/13,348.78
  6. Step 6: Final answer
    x = 11,217.00

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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.