Home / 9,988.36-14,989.22-4,144.97

Finding the Fourth Proportional to 9,988.36, 14,989.22 and 4,144.97

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Solution

The fourth proportional to 9,988.36, 14,989.22 and 4,144.97 is: 6,220.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,988.36 : 14,989.22 = 4,144.97 : x
  2. Step 2: Convert to fraction form
    9,988.36/14,989.22 = 4,144.97/x
  3. Step 3: Cross multiply
    9,988.36x = 14,989.22 × 4,144.97
  4. Step 4: Simplify right side
    9,988.36x = 62,129,815.20
  5. Step 5: Solve for x
    x = 62,129,815.20/9,988.36
  6. Step 6: Final answer
    x = 6,220.22

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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.