Home / 12,984.30-19,481.58-6,748.25

Finding the Fourth Proportional to 12,984.30, 19,481.58 and 6,748.25

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Solution

The fourth proportional to 12,984.30, 19,481.58 and 6,748.25 is: 10,125.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,984.30 : 19,481.58 = 6,748.25 : x
  2. Step 2: Convert to fraction form
    12,984.30/19,481.58 = 6,748.25/x
  3. Step 3: Cross multiply
    12,984.30x = 19,481.58 × 6,748.25
  4. Step 4: Simplify right side
    12,984.30x = 131,466,474.83
  5. Step 5: Solve for x
    x = 131,466,474.83/12,984.30
  6. Step 6: Final answer
    x = 10,125.03

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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.