Home / 9,855.05-14,789.21-4,012.70

Finding the Fourth Proportional to 9,855.05, 14,789.21 and 4,012.70

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Solution

The fourth proportional to 9,855.05, 14,789.21 and 4,012.70 is: 6,021.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,855.05 : 14,789.21 = 4,012.70 : x
  2. Step 2: Convert to fraction form
    9,855.05/14,789.21 = 4,012.70/x
  3. Step 3: Cross multiply
    9,855.05x = 14,789.21 × 4,012.70
  4. Step 4: Simplify right side
    9,855.05x = 59,344,568.96
  5. Step 5: Solve for x
    x = 59,344,568.96/9,855.05
  6. Step 6: Final answer
    x = 6,021.75

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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.