Home / 13,743.58-20,615.31-4,976.44

Finding the Fourth Proportional to 13,743.58, 20,615.31 and 4,976.44

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Solution

The fourth proportional to 13,743.58, 20,615.31 and 4,976.44 is: 7,464.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,743.58 : 20,615.31 = 4,976.44 : x
  2. Step 2: Convert to fraction form
    13,743.58/20,615.31 = 4,976.44/x
  3. Step 3: Cross multiply
    13,743.58x = 20,615.31 × 4,976.44
  4. Step 4: Simplify right side
    13,743.58x = 102,590,865.74
  5. Step 5: Solve for x
    x = 102,590,865.74/13,743.58
  6. Step 6: Final answer
    x = 7,464.64

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1.5x scale

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.