Home / 12,504.20-18,754.47-4,184.69

Finding the Fourth Proportional to 12,504.20, 18,754.47 and 4,184.69

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Solution

The fourth proportional to 12,504.20, 18,754.47 and 4,184.69 is: 6,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,504.20 : 18,754.47 = 4,184.69 : x
  2. Step 2: Convert to fraction form
    12,504.20/18,754.47 = 4,184.69/x
  3. Step 3: Cross multiply
    12,504.20x = 18,754.47 × 4,184.69
  4. Step 4: Simplify right side
    12,504.20x = 78,481,549.29
  5. Step 5: Solve for x
    x = 78,481,549.29/12,504.20
  6. Step 6: Final answer
    x = 6,276.42

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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.