Home / 15,431.13-23,146.61-3,744.27

Finding the Fourth Proportional to 15,431.13, 23,146.61 and 3,744.27

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Solution

The fourth proportional to 15,431.13, 23,146.61 and 3,744.27 is: 5,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.13 : 23,146.61 = 3,744.27 : x
  2. Step 2: Convert to fraction form
    15,431.13/23,146.61 = 3,744.27/x
  3. Step 3: Cross multiply
    15,431.13x = 23,146.61 × 3,744.27
  4. Step 4: Simplify right side
    15,431.13x = 86,667,138.70
  5. Step 5: Solve for x
    x = 86,667,138.70/15,431.13
  6. Step 6: Final answer
    x = 5,616.38

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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.