Home / 12,376.69-17,080.91-6,788.77

Finding the Fourth Proportional to 12,376.69, 17,080.91 and 6,788.77

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Solution

The fourth proportional to 12,376.69, 17,080.91 and 6,788.77 is: 9,369.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,376.69 : 17,080.91 = 6,788.77 : x
  2. Step 2: Convert to fraction form
    12,376.69/17,080.91 = 6,788.77/x
  3. Step 3: Cross multiply
    12,376.69x = 17,080.91 × 6,788.77
  4. Step 4: Simplify right side
    12,376.69x = 115,958,318.19
  5. Step 5: Solve for x
    x = 115,958,318.19/12,376.69
  6. Step 6: Final answer
    x = 9,369.09

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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.