Home / 14,844.45-20,511.36-11,682.84

Finding the Fourth Proportional to 14,844.45, 20,511.36 and 11,682.84

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Solution

The fourth proportional to 14,844.45, 20,511.36 and 11,682.84 is: 16,142.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,844.45 : 20,511.36 = 11,682.84 : x
  2. Step 2: Convert to fraction form
    14,844.45/20,511.36 = 11,682.84/x
  3. Step 3: Cross multiply
    14,844.45x = 20,511.36 × 11,682.84
  4. Step 4: Simplify right side
    14,844.45x = 239,630,937.06
  5. Step 5: Solve for x
    x = 239,630,937.06/14,844.45
  6. Step 6: Final answer
    x = 16,142.80

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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.