Home / 14,092.88-19,442.46-8,121.36

Finding the Fourth Proportional to 14,092.88, 19,442.46 and 8,121.36

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Solution

The fourth proportional to 14,092.88, 19,442.46 and 8,121.36 is: 11,204.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,092.88 : 19,442.46 = 8,121.36 : x
  2. Step 2: Convert to fraction form
    14,092.88/19,442.46 = 8,121.36/x
  3. Step 3: Cross multiply
    14,092.88x = 19,442.46 × 8,121.36
  4. Step 4: Simplify right side
    14,092.88x = 157,899,216.95
  5. Step 5: Solve for x
    x = 157,899,216.95/14,092.88
  6. Step 6: Final answer
    x = 11,204.18

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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.