Home / 12,506.07-18,745.61-8,126.67

Finding the Fourth Proportional to 12,506.07, 18,745.61 and 8,126.67

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Solution

The fourth proportional to 12,506.07, 18,745.61 and 8,126.67 is: 12,181.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,506.07 : 18,745.61 = 8,126.67 : x
  2. Step 2: Convert to fraction form
    12,506.07/18,745.61 = 8,126.67/x
  3. Step 3: Cross multiply
    12,506.07x = 18,745.61 × 8,126.67
  4. Step 4: Simplify right side
    12,506.07x = 152,339,345.79
  5. Step 5: Solve for x
    x = 152,339,345.79/12,506.07
  6. Step 6: Final answer
    x = 12,181.23

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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.