Home / 12,385.52-17,091.48-6,796.64

Finding the Fourth Proportional to 12,385.52, 17,091.48 and 6,796.64

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Solution

The fourth proportional to 12,385.52, 17,091.48 and 6,796.64 is: 9,379.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.52 : 17,091.48 = 6,796.64 : x
  2. Step 2: Convert to fraction form
    12,385.52/17,091.48 = 6,796.64/x
  3. Step 3: Cross multiply
    12,385.52x = 17,091.48 × 6,796.64
  4. Step 4: Simplify right side
    12,385.52x = 116,164,636.63
  5. Step 5: Solve for x
    x = 116,164,636.63/12,385.52
  6. Step 6: Final answer
    x = 9,379.07

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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.