Home / 9,986.22-14,979.33-4,719.51

Finding the Fourth Proportional to 9,986.22, 14,979.33 and 4,719.51

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Solution

The fourth proportional to 9,986.22, 14,979.33 and 4,719.51 is: 7,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.22 : 14,979.33 = 4,719.51 : x
  2. Step 2: Convert to fraction form
    9,986.22/14,979.33 = 4,719.51/x
  3. Step 3: Cross multiply
    9,986.22x = 14,979.33 × 4,719.51
  4. Step 4: Simplify right side
    9,986.22x = 70,695,097.73
  5. Step 5: Solve for x
    x = 70,695,097.73/9,986.22
  6. Step 6: Final answer
    x = 7,079.27

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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.