Home / 13,984.44-20,966.80-5,662

Finding the Fourth Proportional to 13,984.44, 20,966.80 and 5,662

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Solution

The fourth proportional to 13,984.44, 20,966.80 and 5,662 is: 8,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.44 : 20,966.80 = 5,662 : x
  2. Step 2: Convert to fraction form
    13,984.44/20,966.80 = 5,662/x
  3. Step 3: Cross multiply
    13,984.44x = 20,966.80 × 5,662
  4. Step 4: Simplify right side
    13,984.44x = 118,714,021.60
  5. Step 5: Solve for x
    x = 118,714,021.60/13,984.44
  6. Step 6: Final answer
    x = 8,489.01

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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.