Home / 12,385.04-17,091.36-6,796

Finding the Fourth Proportional to 12,385.04, 17,091.36 and 6,796

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Solution

The fourth proportional to 12,385.04, 17,091.36 and 6,796 is: 9,378.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,385.04 : 17,091.36 = 6,796 : x
  2. Step 2: Convert to fraction form
    12,385.04/17,091.36 = 6,796/x
  3. Step 3: Cross multiply
    12,385.04x = 17,091.36 × 6,796
  4. Step 4: Simplify right side
    12,385.04x = 116,152,882.56
  5. Step 5: Solve for x
    x = 116,152,882.56/12,385.04
  6. Step 6: Final answer
    x = 9,378.48

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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.