Home / 11,454.12-15,813.72-8,796.36

Finding the Fourth Proportional to 11,454.12, 15,813.72 and 8,796.36

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Solution

The fourth proportional to 11,454.12, 15,813.72 and 8,796.36 is: 12,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,454.12 : 15,813.72 = 8,796.36 : x
  2. Step 2: Convert to fraction form
    11,454.12/15,813.72 = 8,796.36/x
  3. Step 3: Cross multiply
    11,454.12x = 15,813.72 × 8,796.36
  4. Step 4: Simplify right side
    11,454.12x = 139,103,174.06
  5. Step 5: Solve for x
    x = 139,103,174.06/11,454.12
  6. Step 6: Final answer
    x = 12,144.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.