Home / 11,979.58-17,969.51-6,713.77

Finding the Fourth Proportional to 11,979.58, 17,969.51 and 6,713.77

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Solution

The fourth proportional to 11,979.58, 17,969.51 and 6,713.77 is: 10,070.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,979.58 : 17,969.51 = 6,713.77 : x
  2. Step 2: Convert to fraction form
    11,979.58/17,969.51 = 6,713.77/x
  3. Step 3: Cross multiply
    11,979.58x = 17,969.51 × 6,713.77
  4. Step 4: Simplify right side
    11,979.58x = 120,643,033.74
  5. Step 5: Solve for x
    x = 120,643,033.74/11,979.58
  6. Step 6: Final answer
    x = 10,070.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.