Home / 13,374.98-20,069.30-8,935.68

Finding the Fourth Proportional to 13,374.98, 20,069.30 and 8,935.68

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Solution

The fourth proportional to 13,374.98, 20,069.30 and 8,935.68 is: 13,408.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,374.98 : 20,069.30 = 8,935.68 : x
  2. Step 2: Convert to fraction form
    13,374.98/20,069.30 = 8,935.68/x
  3. Step 3: Cross multiply
    13,374.98x = 20,069.30 × 8,935.68
  4. Step 4: Simplify right side
    13,374.98x = 179,332,842.62
  5. Step 5: Solve for x
    x = 179,332,842.62/13,374.98
  6. Step 6: Final answer
    x = 13,408.08

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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.