Home / 12,790.26-19,178.64-4,022.82

Finding the Fourth Proportional to 12,790.26, 19,178.64 and 4,022.82

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Solution

The fourth proportional to 12,790.26, 19,178.64 and 4,022.82 is: 6,032.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,790.26 : 19,178.64 = 4,022.82 : x
  2. Step 2: Convert to fraction form
    12,790.26/19,178.64 = 4,022.82/x
  3. Step 3: Cross multiply
    12,790.26x = 19,178.64 × 4,022.82
  4. Step 4: Simplify right side
    12,790.26x = 77,152,216.56
  5. Step 5: Solve for x
    x = 77,152,216.56/12,790.26
  6. Step 6: Final answer
    x = 6,032.11

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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.