Home / 13,769.84-19,003.15-7,803.43

Finding the Fourth Proportional to 13,769.84, 19,003.15 and 7,803.43

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Solution

The fourth proportional to 13,769.84, 19,003.15 and 7,803.43 is: 10,769.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,769.84 : 19,003.15 = 7,803.43 : x
  2. Step 2: Convert to fraction form
    13,769.84/19,003.15 = 7,803.43/x
  3. Step 3: Cross multiply
    13,769.84x = 19,003.15 × 7,803.43
  4. Step 4: Simplify right side
    13,769.84x = 148,289,801.10
  5. Step 5: Solve for x
    x = 148,289,801.10/13,769.84
  6. Step 6: Final answer
    x = 10,769.17

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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.