Home / 12,548.99-18,819.33-4,226.94

Finding the Fourth Proportional to 12,548.99, 18,819.33 and 4,226.94

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Solution

The fourth proportional to 12,548.99, 18,819.33 and 4,226.94 is: 6,339.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,548.99 : 18,819.33 = 4,226.94 : x
  2. Step 2: Convert to fraction form
    12,548.99/18,819.33 = 4,226.94/x
  3. Step 3: Cross multiply
    12,548.99x = 18,819.33 × 4,226.94
  4. Step 4: Simplify right side
    12,548.99x = 79,548,178.75
  5. Step 5: Solve for x
    x = 79,548,178.75/12,548.99
  6. Step 6: Final answer
    x = 6,339.01

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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.