Home / 12,161.02-18,242.57-3,395.95

Finding the Fourth Proportional to 12,161.02, 18,242.57 and 3,395.95

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Solution

The fourth proportional to 12,161.02, 18,242.57 and 3,395.95 is: 5,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,161.02 : 18,242.57 = 3,395.95 : x
  2. Step 2: Convert to fraction form
    12,161.02/18,242.57 = 3,395.95/x
  3. Step 3: Cross multiply
    12,161.02x = 18,242.57 × 3,395.95
  4. Step 4: Simplify right side
    12,161.02x = 61,950,855.59
  5. Step 5: Solve for x
    x = 61,950,855.59/12,161.02
  6. Step 6: Final answer
    x = 5,094.22

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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.