Home / 12,542.90-18,814.34-5,150.84

Finding the Fourth Proportional to 12,542.90, 18,814.34 and 5,150.84

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Solution

The fourth proportional to 12,542.90, 18,814.34 and 5,150.84 is: 7,726.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,542.90 : 18,814.34 = 5,150.84 : x
  2. Step 2: Convert to fraction form
    12,542.90/18,814.34 = 5,150.84/x
  3. Step 3: Cross multiply
    12,542.90x = 18,814.34 × 5,150.84
  4. Step 4: Simplify right side
    12,542.90x = 96,909,535.22
  5. Step 5: Solve for x
    x = 96,909,535.22/12,542.90
  6. Step 6: Final answer
    x = 7,726.25

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.