Home / 23,987.42-33,090.09-13,912.19

Finding the Fourth Proportional to 23,987.42, 33,090.09 and 13,912.19

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Solution

The fourth proportional to 23,987.42, 33,090.09 and 13,912.19 is: 19,191.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,987.42 : 33,090.09 = 13,912.19 : x
  2. Step 2: Convert to fraction form
    23,987.42/33,090.09 = 13,912.19/x
  3. Step 3: Cross multiply
    23,987.42x = 33,090.09 × 13,912.19
  4. Step 4: Simplify right side
    23,987.42x = 460,355,453.75
  5. Step 5: Solve for x
    x = 460,355,453.75/23,987.42
  6. Step 6: Final answer
    x = 19,191.54

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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.