Home / 23,090.96-31,863.62-13,021.88

Finding the Fourth Proportional to 23,090.96, 31,863.62 and 13,021.88

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Solution

The fourth proportional to 23,090.96, 31,863.62 and 13,021.88 is: 17,969.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,090.96 : 31,863.62 = 13,021.88 : x
  2. Step 2: Convert to fraction form
    23,090.96/31,863.62 = 13,021.88/x
  3. Step 3: Cross multiply
    23,090.96x = 31,863.62 × 13,021.88
  4. Step 4: Simplify right side
    23,090.96x = 414,924,236.01
  5. Step 5: Solve for x
    x = 414,924,236.01/23,090.96
  6. Step 6: Final answer
    x = 17,969.12

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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.