Home / 15,986.70-23,958.45-14,129.10

Finding the Fourth Proportional to 15,986.70, 23,958.45 and 14,129.10

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Solution

The fourth proportional to 15,986.70, 23,958.45 and 14,129.10 is: 21,174.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,986.70 : 23,958.45 = 14,129.10 : x
  2. Step 2: Convert to fraction form
    15,986.70/23,958.45 = 14,129.10/x
  3. Step 3: Cross multiply
    15,986.70x = 23,958.45 × 14,129.10
  4. Step 4: Simplify right side
    15,986.70x = 338,511,335.90
  5. Step 5: Solve for x
    x = 338,511,335.90/15,986.70
  6. Step 6: Final answer
    x = 21,174.56

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1.5x scale

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.