Home / 9,984.36-14,979.78-4,145.88

Finding the Fourth Proportional to 9,984.36, 14,979.78 and 4,145.88

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Solution

The fourth proportional to 9,984.36, 14,979.78 and 4,145.88 is: 6,220.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,984.36 : 14,979.78 = 4,145.88 : x
  2. Step 2: Convert to fraction form
    9,984.36/14,979.78 = 4,145.88/x
  3. Step 3: Cross multiply
    9,984.36x = 14,979.78 × 4,145.88
  4. Step 4: Simplify right side
    9,984.36x = 62,104,370.31
  5. Step 5: Solve for x
    x = 62,104,370.31/9,984.36
  6. Step 6: Final answer
    x = 6,220.17

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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.