Home / 23,157.23-31,954.82-13,086.44

Finding the Fourth Proportional to 23,157.23, 31,954.82 and 13,086.44

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Solution

The fourth proportional to 23,157.23, 31,954.82 and 13,086.44 is: 18,058.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,157.23 : 31,954.82 = 13,086.44 : x
  2. Step 2: Convert to fraction form
    23,157.23/31,954.82 = 13,086.44/x
  3. Step 3: Cross multiply
    23,157.23x = 31,954.82 × 13,086.44
  4. Step 4: Simplify right side
    23,157.23x = 418,174,834.64
  5. Step 5: Solve for x
    x = 418,174,834.64/23,157.23
  6. Step 6: Final answer
    x = 18,058.07

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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.