Home / 12,550.95-18,825.41-4,230.79

Finding the Fourth Proportional to 12,550.95, 18,825.41 and 4,230.79

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Solution

The fourth proportional to 12,550.95, 18,825.41 and 4,230.79 is: 6,345.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,550.95 : 18,825.41 = 4,230.79 : x
  2. Step 2: Convert to fraction form
    12,550.95/18,825.41 = 4,230.79/x
  3. Step 3: Cross multiply
    12,550.95x = 18,825.41 × 4,230.79
  4. Step 4: Simplify right side
    12,550.95x = 79,646,288.16
  5. Step 5: Solve for x
    x = 79,646,288.16/12,550.95
  6. Step 6: Final answer
    x = 6,345.84

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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.