Home / 14,183.91-21,271.55-4,947.75

Finding the Fourth Proportional to 14,183.91, 21,271.55 and 4,947.75

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Solution

The fourth proportional to 14,183.91, 21,271.55 and 4,947.75 is: 7,420.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,183.91 : 21,271.55 = 4,947.75 : x
  2. Step 2: Convert to fraction form
    14,183.91/21,271.55 = 4,947.75/x
  3. Step 3: Cross multiply
    14,183.91x = 21,271.55 × 4,947.75
  4. Step 4: Simplify right side
    14,183.91x = 105,246,286.77
  5. Step 5: Solve for x
    x = 105,246,286.77/14,183.91
  6. Step 6: Final answer
    x = 7,420.12

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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.