Home / 11,290.76-16,938.48-3,392.95

Finding the Fourth Proportional to 11,290.76, 16,938.48 and 3,392.95

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Solution

The fourth proportional to 11,290.76, 16,938.48 and 3,392.95 is: 5,090.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,290.76 : 16,938.48 = 3,392.95 : x
  2. Step 2: Convert to fraction form
    11,290.76/16,938.48 = 3,392.95/x
  3. Step 3: Cross multiply
    11,290.76x = 16,938.48 × 3,392.95
  4. Step 4: Simplify right side
    11,290.76x = 57,471,415.72
  5. Step 5: Solve for x
    x = 57,471,415.72/11,290.76
  6. Step 6: Final answer
    x = 5,090.13

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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.