Home / 13,968.58-20,951.16-3,973.54

Finding the Fourth Proportional to 13,968.58, 20,951.16 and 3,973.54

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Solution

The fourth proportional to 13,968.58, 20,951.16 and 3,973.54 is: 5,959.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,968.58 : 20,951.16 = 3,973.54 : x
  2. Step 2: Convert to fraction form
    13,968.58/20,951.16 = 3,973.54/x
  3. Step 3: Cross multiply
    13,968.58x = 20,951.16 × 3,973.54
  4. Step 4: Simplify right side
    13,968.58x = 83,250,272.31
  5. Step 5: Solve for x
    x = 83,250,272.31/13,968.58
  6. Step 6: Final answer
    x = 5,959.82

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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.