Home / 12,884.24-19,326.05-4,119.23

Finding the Fourth Proportional to 12,884.24, 19,326.05 and 4,119.23

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Solution

The fourth proportional to 12,884.24, 19,326.05 and 4,119.23 is: 6,178.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,884.24 : 19,326.05 = 4,119.23 : x
  2. Step 2: Convert to fraction form
    12,884.24/19,326.05 = 4,119.23/x
  3. Step 3: Cross multiply
    12,884.24x = 19,326.05 × 4,119.23
  4. Step 4: Simplify right side
    12,884.24x = 79,608,343.16
  5. Step 5: Solve for x
    x = 79,608,343.16/12,884.24
  6. Step 6: Final answer
    x = 6,178.74

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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.