Home / 13,849.36-20,772.81-3,461.10

Finding the Fourth Proportional to 13,849.36, 20,772.81 and 3,461.10

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Solution

The fourth proportional to 13,849.36, 20,772.81 and 3,461.10 is: 5,191.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.36 : 20,772.81 = 3,461.10 : x
  2. Step 2: Convert to fraction form
    13,849.36/20,772.81 = 3,461.10/x
  3. Step 3: Cross multiply
    13,849.36x = 20,772.81 × 3,461.10
  4. Step 4: Simplify right side
    13,849.36x = 71,896,772.69
  5. Step 5: Solve for x
    x = 71,896,772.69/13,849.36
  6. Step 6: Final answer
    x = 5,191.34

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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.