Home / 12,586.84-18,882.92-4,266.44

Finding the Fourth Proportional to 12,586.84, 18,882.92 and 4,266.44

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Solution

The fourth proportional to 12,586.84, 18,882.92 and 4,266.44 is: 6,400.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,586.84 : 18,882.92 = 4,266.44 : x
  2. Step 2: Convert to fraction form
    12,586.84/18,882.92 = 4,266.44/x
  3. Step 3: Cross multiply
    12,586.84x = 18,882.92 × 4,266.44
  4. Step 4: Simplify right side
    12,586.84x = 80,562,845.20
  5. Step 5: Solve for x
    x = 80,562,845.20/12,586.84
  6. Step 6: Final answer
    x = 6,400.56

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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.