Home / 12,741.94-19,115.64-4,422.22

Finding the Fourth Proportional to 12,741.94, 19,115.64 and 4,422.22

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Solution

The fourth proportional to 12,741.94, 19,115.64 and 4,422.22 is: 6,634.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.94 : 19,115.64 = 4,422.22 : x
  2. Step 2: Convert to fraction form
    12,741.94/19,115.64 = 4,422.22/x
  3. Step 3: Cross multiply
    12,741.94x = 19,115.64 × 4,422.22
  4. Step 4: Simplify right side
    12,741.94x = 84,533,565.52
  5. Step 5: Solve for x
    x = 84,533,565.52/12,741.94
  6. Step 6: Final answer
    x = 6,634.28

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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.