Home / 13,619.42-18,795.29-7,650.96

Finding the Fourth Proportional to 13,619.42, 18,795.29 and 7,650.96

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Solution

The fourth proportional to 13,619.42, 18,795.29 and 7,650.96 is: 10,558.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,619.42 : 18,795.29 = 7,650.96 : x
  2. Step 2: Convert to fraction form
    13,619.42/18,795.29 = 7,650.96/x
  3. Step 3: Cross multiply
    13,619.42x = 18,795.29 × 7,650.96
  4. Step 4: Simplify right side
    13,619.42x = 143,801,973.72
  5. Step 5: Solve for x
    x = 143,801,973.72/13,619.42
  6. Step 6: Final answer
    x = 10,558.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.