Home / 20,664.03-30,977.15-8,973.03

Finding the Fourth Proportional to 20,664.03, 30,977.15 and 8,973.03

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Solution

The fourth proportional to 20,664.03, 30,977.15 and 8,973.03 is: 13,451.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,664.03 : 30,977.15 = 8,973.03 : x
  2. Step 2: Convert to fraction form
    20,664.03/30,977.15 = 8,973.03/x
  3. Step 3: Cross multiply
    20,664.03x = 30,977.15 × 8,973.03
  4. Step 4: Simplify right side
    20,664.03x = 277,958,851.40
  5. Step 5: Solve for x
    x = 277,958,851.40/20,664.03
  6. Step 6: Final answer
    x = 13,451.34

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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.