Home / 14,647.97-20,216.79-8,682.93

Finding the Fourth Proportional to 14,647.97, 20,216.79 and 8,682.93

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Solution

The fourth proportional to 14,647.97, 20,216.79 and 8,682.93 is: 11,983.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,647.97 : 20,216.79 = 8,682.93 : x
  2. Step 2: Convert to fraction form
    14,647.97/20,216.79 = 8,682.93/x
  3. Step 3: Cross multiply
    14,647.97x = 20,216.79 × 8,682.93
  4. Step 4: Simplify right side
    14,647.97x = 175,540,972.39
  5. Step 5: Solve for x
    x = 175,540,972.39/14,647.97
  6. Step 6: Final answer
    x = 11,983.98

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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.