Home / 12,803.49-19,206.99-4,481.55

Finding the Fourth Proportional to 12,803.49, 19,206.99 and 4,481.55

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Solution

The fourth proportional to 12,803.49, 19,206.99 and 4,481.55 is: 6,722.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,803.49 : 19,206.99 = 4,481.55 : x
  2. Step 2: Convert to fraction form
    12,803.49/19,206.99 = 4,481.55/x
  3. Step 3: Cross multiply
    12,803.49x = 19,206.99 × 4,481.55
  4. Step 4: Simplify right side
    12,803.49x = 86,077,086.03
  5. Step 5: Solve for x
    x = 86,077,086.03/12,803.49
  6. Step 6: Final answer
    x = 6,722.94

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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.