Home / 13,984.35-20,971.52-4,622.64

Finding the Fourth Proportional to 13,984.35, 20,971.52 and 4,622.64

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Solution

The fourth proportional to 13,984.35, 20,971.52 and 4,622.64 is: 6,932.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,984.35 : 20,971.52 = 4,622.64 : x
  2. Step 2: Convert to fraction form
    13,984.35/20,971.52 = 4,622.64/x
  3. Step 3: Cross multiply
    13,984.35x = 20,971.52 × 4,622.64
  4. Step 4: Simplify right side
    13,984.35x = 96,943,787.21
  5. Step 5: Solve for x
    x = 96,943,787.21/13,984.35
  6. Step 6: Final answer
    x = 6,932.31

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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.