Home / 8,105.33-12,145.84-6,253.67

Finding the Fourth Proportional to 8,105.33, 12,145.84 and 6,253.67

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Solution

The fourth proportional to 8,105.33, 12,145.84 and 6,253.67 is: 9,371.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,105.33 : 12,145.84 = 6,253.67 : x
  2. Step 2: Convert to fraction form
    8,105.33/12,145.84 = 6,253.67/x
  3. Step 3: Cross multiply
    8,105.33x = 12,145.84 × 6,253.67
  4. Step 4: Simplify right side
    8,105.33x = 75,956,075.23
  5. Step 5: Solve for x
    x = 75,956,075.23/8,105.33
  6. Step 6: Final answer
    x = 9,371.13

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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.