Home / 14,638.45-21,945.37-11,858.23

Finding the Fourth Proportional to 14,638.45, 21,945.37 and 11,858.23

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Solution

The fourth proportional to 14,638.45, 21,945.37 and 11,858.23 is: 17,777.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.45 : 21,945.37 = 11,858.23 : x
  2. Step 2: Convert to fraction form
    14,638.45/21,945.37 = 11,858.23/x
  3. Step 3: Cross multiply
    14,638.45x = 21,945.37 × 11,858.23
  4. Step 4: Simplify right side
    14,638.45x = 260,233,190.03
  5. Step 5: Solve for x
    x = 260,233,190.03/14,638.45
  6. Step 6: Final answer
    x = 17,777.37

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1.5x scale

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.