Home / 12,418.30-18,625.83-3,533.01

Finding the Fourth Proportional to 12,418.30, 18,625.83 and 3,533.01

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Solution

The fourth proportional to 12,418.30, 18,625.83 and 3,533.01 is: 5,299.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,418.30 : 18,625.83 = 3,533.01 : x
  2. Step 2: Convert to fraction form
    12,418.30/18,625.83 = 3,533.01/x
  3. Step 3: Cross multiply
    12,418.30x = 18,625.83 × 3,533.01
  4. Step 4: Simplify right side
    12,418.30x = 65,805,243.65
  5. Step 5: Solve for x
    x = 65,805,243.65/12,418.30
  6. Step 6: Final answer
    x = 5,299.05

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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.