Home / 12,283.16-18,428.34-3,963.02

Finding the Fourth Proportional to 12,283.16, 18,428.34 and 3,963.02

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Solution

The fourth proportional to 12,283.16, 18,428.34 and 3,963.02 is: 5,945.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,283.16 : 18,428.34 = 3,963.02 : x
  2. Step 2: Convert to fraction form
    12,283.16/18,428.34 = 3,963.02/x
  3. Step 3: Cross multiply
    12,283.16x = 18,428.34 × 3,963.02
  4. Step 4: Simplify right side
    12,283.16x = 73,031,879.99
  5. Step 5: Solve for x
    x = 73,031,879.99/12,283.16
  6. Step 6: Final answer
    x = 5,945.69

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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.