Home / 21,847.88-30,150.01-12,418.26

Finding the Fourth Proportional to 21,847.88, 30,150.01 and 12,418.26

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Solution

The fourth proportional to 21,847.88, 30,150.01 and 12,418.26 is: 17,137.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,847.88 : 30,150.01 = 12,418.26 : x
  2. Step 2: Convert to fraction form
    21,847.88/30,150.01 = 12,418.26/x
  3. Step 3: Cross multiply
    21,847.88x = 30,150.01 × 12,418.26
  4. Step 4: Simplify right side
    21,847.88x = 374,410,663.18
  5. Step 5: Solve for x
    x = 374,410,663.18/21,847.88
  6. Step 6: Final answer
    x = 17,137.16

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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.