Home / 10,166.80-13,976.24-8,745.28

Finding the Fourth Proportional to 10,166.80, 13,976.24 and 8,745.28

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Solution

The fourth proportional to 10,166.80, 13,976.24 and 8,745.28 is: 12,022.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,166.80 : 13,976.24 = 8,745.28 : x
  2. Step 2: Convert to fraction form
    10,166.80/13,976.24 = 8,745.28/x
  3. Step 3: Cross multiply
    10,166.80x = 13,976.24 × 8,745.28
  4. Step 4: Simplify right side
    10,166.80x = 122,226,132.15
  5. Step 5: Solve for x
    x = 122,226,132.15/10,166.80
  6. Step 6: Final answer
    x = 12,022.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.