Home / 11,120.40-16,679.16-4,194

Finding the Fourth Proportional to 11,120.40, 16,679.16 and 4,194

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Solution

The fourth proportional to 11,120.40, 16,679.16 and 4,194 is: 6,290.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,120.40 : 16,679.16 = 4,194 : x
  2. Step 2: Convert to fraction form
    11,120.40/16,679.16 = 4,194/x
  3. Step 3: Cross multiply
    11,120.40x = 16,679.16 × 4,194
  4. Step 4: Simplify right side
    11,120.40x = 69,952,397.04
  5. Step 5: Solve for x
    x = 69,952,397.04/11,120.40
  6. Step 6: Final answer
    x = 6,290.46

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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.