Home / 14,071.52-19,418.70-8,104.34

Finding the Fourth Proportional to 14,071.52, 19,418.70 and 8,104.34

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Solution

The fourth proportional to 14,071.52, 19,418.70 and 8,104.34 is: 11,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,071.52 : 19,418.70 = 8,104.34 : x
  2. Step 2: Convert to fraction form
    14,071.52/19,418.70 = 8,104.34/x
  3. Step 3: Cross multiply
    14,071.52x = 19,418.70 × 8,104.34
  4. Step 4: Simplify right side
    14,071.52x = 157,375,747.16
  5. Step 5: Solve for x
    x = 157,375,747.16/14,071.52
  6. Step 6: Final answer
    x = 11,183.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.