Home / 12,178.64-16,806.54-6,589.64

Finding the Fourth Proportional to 12,178.64, 16,806.54 and 6,589.64

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Solution

The fourth proportional to 12,178.64, 16,806.54 and 6,589.64 is: 9,093.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178.64 : 16,806.54 = 6,589.64 : x
  2. Step 2: Convert to fraction form
    12,178.64/16,806.54 = 6,589.64/x
  3. Step 3: Cross multiply
    12,178.64x = 16,806.54 × 6,589.64
  4. Step 4: Simplify right side
    12,178.64x = 110,749,048.25
  5. Step 5: Solve for x
    x = 110,749,048.25/12,178.64
  6. Step 6: Final answer
    x = 9,093.71

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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.