Home / 12,130.49-18,195.74-3,365.41

Finding the Fourth Proportional to 12,130.49, 18,195.74 and 3,365.41

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Solution

The fourth proportional to 12,130.49, 18,195.74 and 3,365.41 is: 5,048.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,130.49 : 18,195.74 = 3,365.41 : x
  2. Step 2: Convert to fraction form
    12,130.49/18,195.74 = 3,365.41/x
  3. Step 3: Cross multiply
    12,130.49x = 18,195.74 × 3,365.41
  4. Step 4: Simplify right side
    12,130.49x = 61,236,063.04
  5. Step 5: Solve for x
    x = 61,236,063.04/12,130.49
  6. Step 6: Final answer
    x = 5,048.11

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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.