Home / 11,943.67-17,913.51-3,621.70

Finding the Fourth Proportional to 11,943.67, 17,913.51 and 3,621.70

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Solution

The fourth proportional to 11,943.67, 17,913.51 and 3,621.70 is: 5,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,943.67 : 17,913.51 = 3,621.70 : x
  2. Step 2: Convert to fraction form
    11,943.67/17,913.51 = 3,621.70/x
  3. Step 3: Cross multiply
    11,943.67x = 17,913.51 × 3,621.70
  4. Step 4: Simplify right side
    11,943.67x = 64,877,359.17
  5. Step 5: Solve for x
    x = 64,877,359.17/11,943.67
  6. Step 6: Final answer
    x = 5,431.95

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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.