Home / 11,880.06-17,822.34-4,486.74

Finding the Fourth Proportional to 11,880.06, 17,822.34 and 4,486.74

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Solution

The fourth proportional to 11,880.06, 17,822.34 and 4,486.74 is: 6,730.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,880.06 : 17,822.34 = 4,486.74 : x
  2. Step 2: Convert to fraction form
    11,880.06/17,822.34 = 4,486.74/x
  3. Step 3: Cross multiply
    11,880.06x = 17,822.34 × 4,486.74
  4. Step 4: Simplify right side
    11,880.06x = 79,964,205.77
  5. Step 5: Solve for x
    x = 79,964,205.77/11,880.06
  6. Step 6: Final answer
    x = 6,730.96

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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.