Home / 12,727.83-19,087.17-4,405.59

Finding the Fourth Proportional to 12,727.83, 19,087.17 and 4,405.59

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Solution

The fourth proportional to 12,727.83, 19,087.17 and 4,405.59 is: 6,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,727.83 : 19,087.17 = 4,405.59 : x
  2. Step 2: Convert to fraction form
    12,727.83/19,087.17 = 4,405.59/x
  3. Step 3: Cross multiply
    12,727.83x = 19,087.17 × 4,405.59
  4. Step 4: Simplify right side
    12,727.83x = 84,090,245.28
  5. Step 5: Solve for x
    x = 84,090,245.28/12,727.83
  6. Step 6: Final answer
    x = 6,606.80

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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.