Home / 12,884.09-19,326.27-4,118.81

Finding the Fourth Proportional to 12,884.09, 19,326.27 and 4,118.81

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Solution

The fourth proportional to 12,884.09, 19,326.27 and 4,118.81 is: 6,178.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.09 : 19,326.27 = 4,118.81 : x
  2. Step 2: Convert to fraction form
    12,884.09/19,326.27 = 4,118.81/x
  3. Step 3: Cross multiply
    12,884.09x = 19,326.27 × 4,118.81
  4. Step 4: Simplify right side
    12,884.09x = 79,601,234.14
  5. Step 5: Solve for x
    x = 79,601,234.14/12,884.09
  6. Step 6: Final answer
    x = 6,178.26

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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.