Home / 12,716.48-19,077.89-8,975.57

Finding the Fourth Proportional to 12,716.48, 19,077.89 and 8,975.57

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Solution

The fourth proportional to 12,716.48, 19,077.89 and 8,975.57 is: 13,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,716.48 : 19,077.89 = 8,975.57 : x
  2. Step 2: Convert to fraction form
    12,716.48/19,077.89 = 8,975.57/x
  3. Step 3: Cross multiply
    12,716.48x = 19,077.89 × 8,975.57
  4. Step 4: Simplify right side
    12,716.48x = 171,234,796.88
  5. Step 5: Solve for x
    x = 171,234,796.88/12,716.48
  6. Step 6: Final answer
    x = 13,465.59

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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.