Home / 13,769.80-19,003.26-7,801.52

Finding the Fourth Proportional to 13,769.80, 19,003.26 and 7,801.52

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Solution

The fourth proportional to 13,769.80, 19,003.26 and 7,801.52 is: 10,766.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.80 : 19,003.26 = 7,801.52 : x
  2. Step 2: Convert to fraction form
    13,769.80/19,003.26 = 7,801.52/x
  3. Step 3: Cross multiply
    13,769.80x = 19,003.26 × 7,801.52
  4. Step 4: Simplify right side
    13,769.80x = 148,254,217.94
  5. Step 5: Solve for x
    x = 148,254,217.94/13,769.80
  6. Step 6: Final answer
    x = 10,766.62

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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.