Home / 12,400.26-18,603.42-5,818.83

Finding the Fourth Proportional to 12,400.26, 18,603.42 and 5,818.83

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Solution

The fourth proportional to 12,400.26, 18,603.42 and 5,818.83 is: 8,729.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,400.26 : 18,603.42 = 5,818.83 : x
  2. Step 2: Convert to fraction form
    12,400.26/18,603.42 = 5,818.83/x
  3. Step 3: Cross multiply
    12,400.26x = 18,603.42 × 5,818.83
  4. Step 4: Simplify right side
    12,400.26x = 108,250,138.40
  5. Step 5: Solve for x
    x = 108,250,138.40/12,400.26
  6. Step 6: Final answer
    x = 8,729.67

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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.