Home / 9,511.27-14,268.20-8,986.65

Finding the Fourth Proportional to 9,511.27, 14,268.20 and 8,986.65

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Solution

The fourth proportional to 9,511.27, 14,268.20 and 8,986.65 is: 13,481.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,511.27 : 14,268.20 = 8,986.65 : x
  2. Step 2: Convert to fraction form
    9,511.27/14,268.20 = 8,986.65/x
  3. Step 3: Cross multiply
    9,511.27x = 14,268.20 × 8,986.65
  4. Step 4: Simplify right side
    9,511.27x = 128,223,271.64
  5. Step 5: Solve for x
    x = 128,223,271.64/9,511.27
  6. Step 6: Final answer
    x = 13,481.19

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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.