Home / 9,984.89-14,979.09-3,409.53

Finding the Fourth Proportional to 9,984.89, 14,979.09 and 3,409.53

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Solution

The fourth proportional to 9,984.89, 14,979.09 and 3,409.53 is: 5,114.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.89 : 14,979.09 = 3,409.53 : x
  2. Step 2: Convert to fraction form
    9,984.89/14,979.09 = 3,409.53/x
  3. Step 3: Cross multiply
    9,984.89x = 14,979.09 × 3,409.53
  4. Step 4: Simplify right side
    9,984.89x = 51,071,656.73
  5. Step 5: Solve for x
    x = 51,071,656.73/9,984.89
  6. Step 6: Final answer
    x = 5,114.90

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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.