Home / 14,783.54-20,400.97-8,069.28

Finding the Fourth Proportional to 14,783.54, 20,400.97 and 8,069.28

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Solution

The fourth proportional to 14,783.54, 20,400.97 and 8,069.28 is: 11,135.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,783.54 : 20,400.97 = 8,069.28 : x
  2. Step 2: Convert to fraction form
    14,783.54/20,400.97 = 8,069.28/x
  3. Step 3: Cross multiply
    14,783.54x = 20,400.97 × 8,069.28
  4. Step 4: Simplify right side
    14,783.54x = 164,621,172.73
  5. Step 5: Solve for x
    x = 164,621,172.73/14,783.54
  6. Step 6: Final answer
    x = 11,135.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.