Home / 11,682.01-16,121.23-6,376.84

Finding the Fourth Proportional to 11,682.01, 16,121.23 and 6,376.84

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Solution

The fourth proportional to 11,682.01, 16,121.23 and 6,376.84 is: 8,800.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.01 : 16,121.23 = 6,376.84 : x
  2. Step 2: Convert to fraction form
    11,682.01/16,121.23 = 6,376.84/x
  3. Step 3: Cross multiply
    11,682.01x = 16,121.23 × 6,376.84
  4. Step 4: Simplify right side
    11,682.01x = 102,802,538.75
  5. Step 5: Solve for x
    x = 102,802,538.75/11,682.01
  6. Step 6: Final answer
    x = 8,800.08

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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.