Home / 13,144.70-19,709.73-4,374.83

Finding the Fourth Proportional to 13,144.70, 19,709.73 and 4,374.83

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Solution

The fourth proportional to 13,144.70, 19,709.73 and 4,374.83 is: 6,559.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,144.70 : 19,709.73 = 4,374.83 : x
  2. Step 2: Convert to fraction form
    13,144.70/19,709.73 = 4,374.83/x
  3. Step 3: Cross multiply
    13,144.70x = 19,709.73 × 4,374.83
  4. Step 4: Simplify right side
    13,144.70x = 86,226,619.55
  5. Step 5: Solve for x
    x = 86,226,619.55/13,144.70
  6. Step 6: Final answer
    x = 6,559.80

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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.