Home / 13,566.65-20,346.68-3,705.98

Finding the Fourth Proportional to 13,566.65, 20,346.68 and 3,705.98

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Solution

The fourth proportional to 13,566.65, 20,346.68 and 3,705.98 is: 5,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,566.65 : 20,346.68 = 3,705.98 : x
  2. Step 2: Convert to fraction form
    13,566.65/20,346.68 = 3,705.98/x
  3. Step 3: Cross multiply
    13,566.65x = 20,346.68 × 3,705.98
  4. Step 4: Simplify right side
    13,566.65x = 75,404,268.88
  5. Step 5: Solve for x
    x = 75,404,268.88/13,566.65
  6. Step 6: Final answer
    x = 5,558.06

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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.