Home / 12,741.66-19,072.44-8,045.43

Finding the Fourth Proportional to 12,741.66, 19,072.44 and 8,045.43

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Solution

The fourth proportional to 12,741.66, 19,072.44 and 8,045.43 is: 12,042.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.66 : 19,072.44 = 8,045.43 : x
  2. Step 2: Convert to fraction form
    12,741.66/19,072.44 = 8,045.43/x
  3. Step 3: Cross multiply
    12,741.66x = 19,072.44 × 8,045.43
  4. Step 4: Simplify right side
    12,741.66x = 153,445,980.95
  5. Step 5: Solve for x
    x = 153,445,980.95/12,741.66
  6. Step 6: Final answer
    x = 12,042.86

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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.