Home / 9,979.22-14,968.14-4,135.64

Finding the Fourth Proportional to 9,979.22, 14,968.14 and 4,135.64

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Solution

The fourth proportional to 9,979.22, 14,968.14 and 4,135.64 is: 6,203.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,979.22 : 14,968.14 = 4,135.64 : x
  2. Step 2: Convert to fraction form
    9,979.22/14,968.14 = 4,135.64/x
  3. Step 3: Cross multiply
    9,979.22x = 14,968.14 × 4,135.64
  4. Step 4: Simplify right side
    9,979.22x = 61,902,838.51
  5. Step 5: Solve for x
    x = 61,902,838.51/9,979.22
  6. Step 6: Final answer
    x = 6,203.17

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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.