Home / 12,054.08-18,081.24-5,812.64

Finding the Fourth Proportional to 12,054.08, 18,081.24 and 5,812.64

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Solution

The fourth proportional to 12,054.08, 18,081.24 and 5,812.64 is: 8,719.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.08 : 18,081.24 = 5,812.64 : x
  2. Step 2: Convert to fraction form
    12,054.08/18,081.24 = 5,812.64/x
  3. Step 3: Cross multiply
    12,054.08x = 18,081.24 × 5,812.64
  4. Step 4: Simplify right side
    12,054.08x = 105,099,738.87
  5. Step 5: Solve for x
    x = 105,099,738.87/12,054.08
  6. Step 6: Final answer
    x = 8,719.02

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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.