Home / 12,771.02-19,150.44-5,374.10

Finding the Fourth Proportional to 12,771.02, 19,150.44 and 5,374.10

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Solution

The fourth proportional to 12,771.02, 19,150.44 and 5,374.10 is: 8,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,771.02 : 19,150.44 = 5,374.10 : x
  2. Step 2: Convert to fraction form
    12,771.02/19,150.44 = 5,374.10/x
  3. Step 3: Cross multiply
    12,771.02x = 19,150.44 × 5,374.10
  4. Step 4: Simplify right side
    12,771.02x = 102,916,379.60
  5. Step 5: Solve for x
    x = 102,916,379.60/12,771.02
  6. Step 6: Final answer
    x = 8,058.59

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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.