Home / 10,512.84-15,769.78-3,493.48

Finding the Fourth Proportional to 10,512.84, 15,769.78 and 3,493.48

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Solution

The fourth proportional to 10,512.84, 15,769.78 and 3,493.48 is: 5,240.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,512.84 : 15,769.78 = 3,493.48 : x
  2. Step 2: Convert to fraction form
    10,512.84/15,769.78 = 3,493.48/x
  3. Step 3: Cross multiply
    10,512.84x = 15,769.78 × 3,493.48
  4. Step 4: Simplify right side
    10,512.84x = 55,091,411.03
  5. Step 5: Solve for x
    x = 55,091,411.03/10,512.84
  6. Step 6: Final answer
    x = 5,240.39

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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.