Home / 8,849.36-13,196-8,770.40

Finding the Fourth Proportional to 8,849.36, 13,196 and 8,770.40

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Solution

The fourth proportional to 8,849.36, 13,196 and 8,770.40 is: 13,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,849.36 : 13,196 = 8,770.40 : x
  2. Step 2: Convert to fraction form
    8,849.36/13,196 = 8,770.40/x
  3. Step 3: Cross multiply
    8,849.36x = 13,196 × 8,770.40
  4. Step 4: Simplify right side
    8,849.36x = 115,734,198.40
  5. Step 5: Solve for x
    x = 115,734,198.40/8,849.36
  6. Step 6: Final answer
    x = 13,078.26

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.