Home / 12,774.51-19,163.57-5,374.35

Finding the Fourth Proportional to 12,774.51, 19,163.57 and 5,374.35

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Solution

The fourth proportional to 12,774.51, 19,163.57 and 5,374.35 is: 8,062.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,774.51 : 19,163.57 = 5,374.35 : x
  2. Step 2: Convert to fraction form
    12,774.51/19,163.57 = 5,374.35/x
  3. Step 3: Cross multiply
    12,774.51x = 19,163.57 × 5,374.35
  4. Step 4: Simplify right side
    12,774.51x = 102,991,705.56
  5. Step 5: Solve for x
    x = 102,991,705.56/12,774.51
  6. Step 6: Final answer
    x = 8,062.28

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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.