Home / 12,476.24-18,714.30-5,078.94

Finding the Fourth Proportional to 12,476.24, 18,714.30 and 5,078.94

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Solution

The fourth proportional to 12,476.24, 18,714.30 and 5,078.94 is: 7,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,476.24 : 18,714.30 = 5,078.94 : x
  2. Step 2: Convert to fraction form
    12,476.24/18,714.30 = 5,078.94/x
  3. Step 3: Cross multiply
    12,476.24x = 18,714.30 × 5,078.94
  4. Step 4: Simplify right side
    12,476.24x = 95,048,806.84
  5. Step 5: Solve for x
    x = 95,048,806.84/12,476.24
  6. Step 6: Final answer
    x = 7,618.39

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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.