Home / 15,431.13-23,144.94-4,338.27

Finding the Fourth Proportional to 15,431.13, 23,144.94 and 4,338.27

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Solution

The fourth proportional to 15,431.13, 23,144.94 and 4,338.27 is: 6,506.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.13 : 23,144.94 = 4,338.27 : x
  2. Step 2: Convert to fraction form
    15,431.13/23,144.94 = 4,338.27/x
  3. Step 3: Cross multiply
    15,431.13x = 23,144.94 × 4,338.27
  4. Step 4: Simplify right side
    15,431.13x = 100,408,998.85
  5. Step 5: Solve for x
    x = 100,408,998.85/15,431.13
  6. Step 6: Final answer
    x = 6,506.91

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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.