Home / 12,827.20-19,240.80-4,062.10

Finding the Fourth Proportional to 12,827.20, 19,240.80 and 4,062.10

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Solution

The fourth proportional to 12,827.20, 19,240.80 and 4,062.10 is: 6,093.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,827.20 : 19,240.80 = 4,062.10 : x
  2. Step 2: Convert to fraction form
    12,827.20/19,240.80 = 4,062.10/x
  3. Step 3: Cross multiply
    12,827.20x = 19,240.80 × 4,062.10
  4. Step 4: Simplify right side
    12,827.20x = 78,158,053.68
  5. Step 5: Solve for x
    x = 78,158,053.68/12,827.20
  6. Step 6: Final answer
    x = 6,093.15

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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.