Home / 13,438.44-20,159.82-4,675.86

Finding the Fourth Proportional to 13,438.44, 20,159.82 and 4,675.86

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Solution

The fourth proportional to 13,438.44, 20,159.82 and 4,675.86 is: 7,014.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,438.44 : 20,159.82 = 4,675.86 : x
  2. Step 2: Convert to fraction form
    13,438.44/20,159.82 = 4,675.86/x
  3. Step 3: Cross multiply
    13,438.44x = 20,159.82 × 4,675.86
  4. Step 4: Simplify right side
    13,438.44x = 94,264,495.95
  5. Step 5: Solve for x
    x = 94,264,495.95/13,438.44
  6. Step 6: Final answer
    x = 7,014.54

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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.