Home / 11,290.12-16,940.58-4,363

Finding the Fourth Proportional to 11,290.12, 16,940.58 and 4,363

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Solution

The fourth proportional to 11,290.12, 16,940.58 and 4,363 is: 6,546.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.12 : 16,940.58 = 4,363 : x
  2. Step 2: Convert to fraction form
    11,290.12/16,940.58 = 4,363/x
  3. Step 3: Cross multiply
    11,290.12x = 16,940.58 × 4,363
  4. Step 4: Simplify right side
    11,290.12x = 73,911,750.54
  5. Step 5: Solve for x
    x = 73,911,750.54/11,290.12
  6. Step 6: Final answer
    x = 6,546.59

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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.