Home / 12,081.63-16,672.65-6,776.33

Finding the Fourth Proportional to 12,081.63, 16,672.65 and 6,776.33

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Solution

The fourth proportional to 12,081.63, 16,672.65 and 6,776.33 is: 9,351.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,081.63 : 16,672.65 = 6,776.33 : x
  2. Step 2: Convert to fraction form
    12,081.63/16,672.65 = 6,776.33/x
  3. Step 3: Cross multiply
    12,081.63x = 16,672.65 × 6,776.33
  4. Step 4: Simplify right side
    12,081.63x = 112,979,378.37
  5. Step 5: Solve for x
    x = 112,979,378.37/12,081.63
  6. Step 6: Final answer
    x = 9,351.34

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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.