Home / 12,860.51-19,292.90-4,426.67

Finding the Fourth Proportional to 12,860.51, 19,292.90 and 4,426.67

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Solution

The fourth proportional to 12,860.51, 19,292.90 and 4,426.67 is: 6,640.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,860.51 : 19,292.90 = 4,426.67 : x
  2. Step 2: Convert to fraction form
    12,860.51/19,292.90 = 4,426.67/x
  3. Step 3: Cross multiply
    12,860.51x = 19,292.90 × 4,426.67
  4. Step 4: Simplify right side
    12,860.51x = 85,403,183.05
  5. Step 5: Solve for x
    x = 85,403,183.05/12,860.51
  6. Step 6: Final answer
    x = 6,640.73

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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.