Home / 13,975.44-20,962.95-3,445.59

Finding the Fourth Proportional to 13,975.44, 20,962.95 and 3,445.59

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Solution

The fourth proportional to 13,975.44, 20,962.95 and 3,445.59 is: 5,168.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,975.44 : 20,962.95 = 3,445.59 : x
  2. Step 2: Convert to fraction form
    13,975.44/20,962.95 = 3,445.59/x
  3. Step 3: Cross multiply
    13,975.44x = 20,962.95 × 3,445.59
  4. Step 4: Simplify right side
    13,975.44x = 72,229,730.89
  5. Step 5: Solve for x
    x = 72,229,730.89/13,975.44
  6. Step 6: Final answer
    x = 5,168.33

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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.