Home / 21,441.53-29,589.31-13,058.03

Finding the Fourth Proportional to 21,441.53, 29,589.31 and 13,058.03

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Solution

The fourth proportional to 21,441.53, 29,589.31 and 13,058.03 is: 18,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,441.53 : 29,589.31 = 13,058.03 : x
  2. Step 2: Convert to fraction form
    21,441.53/29,589.31 = 13,058.03/x
  3. Step 3: Cross multiply
    21,441.53x = 29,589.31 × 13,058.03
  4. Step 4: Simplify right side
    21,441.53x = 386,378,097.66
  5. Step 5: Solve for x
    x = 386,378,097.66/21,441.53
  6. Step 6: Final answer
    x = 18,020.08

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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.