Home / 13,769.26-18,997.14-7,800.37

Finding the Fourth Proportional to 13,769.26, 18,997.14 and 7,800.37

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Solution

The fourth proportional to 13,769.26, 18,997.14 and 7,800.37 is: 10,762.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.26 : 18,997.14 = 7,800.37 : x
  2. Step 2: Convert to fraction form
    13,769.26/18,997.14 = 7,800.37/x
  3. Step 3: Cross multiply
    13,769.26x = 18,997.14 × 7,800.37
  4. Step 4: Simplify right side
    13,769.26x = 148,184,720.94
  5. Step 5: Solve for x
    x = 148,184,720.94/13,769.26
  6. Step 6: Final answer
    x = 10,762.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.