Home / 12,950.32-19,418.79-4,184.09

Finding the Fourth Proportional to 12,950.32, 19,418.79 and 4,184.09

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Solution

The fourth proportional to 12,950.32, 19,418.79 and 4,184.09 is: 6,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,950.32 : 19,418.79 = 4,184.09 : x
  2. Step 2: Convert to fraction form
    12,950.32/19,418.79 = 4,184.09/x
  3. Step 3: Cross multiply
    12,950.32x = 19,418.79 × 4,184.09
  4. Step 4: Simplify right side
    12,950.32x = 81,249,944.13
  5. Step 5: Solve for x
    x = 81,249,944.13/12,950.32
  6. Step 6: Final answer
    x = 6,273.97

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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.