Home / 13,748.33-20,623.81-3,887.93

Finding the Fourth Proportional to 13,748.33, 20,623.81 and 3,887.93

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Solution

The fourth proportional to 13,748.33, 20,623.81 and 3,887.93 is: 5,832.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,748.33 : 20,623.81 = 3,887.93 : x
  2. Step 2: Convert to fraction form
    13,748.33/20,623.81 = 3,887.93/x
  3. Step 3: Cross multiply
    13,748.33x = 20,623.81 × 3,887.93
  4. Step 4: Simplify right side
    13,748.33x = 80,183,929.61
  5. Step 5: Solve for x
    x = 80,183,929.61/13,748.33
  6. Step 6: Final answer
    x = 5,832.27

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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.