Home / 11,886.21-17,819.60-4,486.46

Finding the Fourth Proportional to 11,886.21, 17,819.60 and 4,486.46

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Solution

The fourth proportional to 11,886.21, 17,819.60 and 4,486.46 is: 6,726.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,886.21 : 17,819.60 = 4,486.46 : x
  2. Step 2: Convert to fraction form
    11,886.21/17,819.60 = 4,486.46/x
  3. Step 3: Cross multiply
    11,886.21x = 17,819.60 × 4,486.46
  4. Step 4: Simplify right side
    11,886.21x = 79,946,811.09
  5. Step 5: Solve for x
    x = 79,946,811.09/11,886.21
  6. Step 6: Final answer
    x = 6,726.01

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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.