Home / 9,986.24-14,979.52-4,790.96

Finding the Fourth Proportional to 9,986.24, 14,979.52 and 4,790.96

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Solution

The fourth proportional to 9,986.24, 14,979.52 and 4,790.96 is: 7,186.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.24 : 14,979.52 = 4,790.96 : x
  2. Step 2: Convert to fraction form
    9,986.24/14,979.52 = 4,790.96/x
  3. Step 3: Cross multiply
    9,986.24x = 14,979.52 × 4,790.96
  4. Step 4: Simplify right side
    9,986.24x = 71,766,281.14
  5. Step 5: Solve for x
    x = 71,766,281.14/9,986.24
  6. Step 6: Final answer
    x = 7,186.52

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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.