Home / 15,687.19-23,505.69-14,093.90

Finding the Fourth Proportional to 15,687.19, 23,505.69 and 14,093.90

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Solution

The fourth proportional to 15,687.19, 23,505.69 and 14,093.90 is: 21,118.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,687.19 : 23,505.69 = 14,093.90 : x
  2. Step 2: Convert to fraction form
    15,687.19/23,505.69 = 14,093.90/x
  3. Step 3: Cross multiply
    15,687.19x = 23,505.69 × 14,093.90
  4. Step 4: Simplify right side
    15,687.19x = 331,286,788.48
  5. Step 5: Solve for x
    x = 331,286,788.48/15,687.19
  6. Step 6: Final answer
    x = 21,118.31

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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.