Home / 11,618.43-17,419.94-4,222.01

Finding the Fourth Proportional to 11,618.43, 17,419.94 and 4,222.01

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Solution

The fourth proportional to 11,618.43, 17,419.94 and 4,222.01 is: 6,330.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,618.43 : 17,419.94 = 4,222.01 : x
  2. Step 2: Convert to fraction form
    11,618.43/17,419.94 = 4,222.01/x
  3. Step 3: Cross multiply
    11,618.43x = 17,419.94 × 4,222.01
  4. Step 4: Simplify right side
    11,618.43x = 73,547,160.88
  5. Step 5: Solve for x
    x = 73,547,160.88/11,618.43
  6. Step 6: Final answer
    x = 6,330.22

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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.