Home / 12,632.95-18,949.49-3,272.31

Finding the Fourth Proportional to 12,632.95, 18,949.49 and 3,272.31

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Solution

The fourth proportional to 12,632.95, 18,949.49 and 3,272.31 is: 4,908.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,632.95 : 18,949.49 = 3,272.31 : x
  2. Step 2: Convert to fraction form
    12,632.95/18,949.49 = 3,272.31/x
  3. Step 3: Cross multiply
    12,632.95x = 18,949.49 × 3,272.31
  4. Step 4: Simplify right side
    12,632.95x = 62,008,589.26
  5. Step 5: Solve for x
    x = 62,008,589.26/12,632.95
  6. Step 6: Final answer
    x = 4,908.48

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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.