Home / 12,190.64-18,279.14-4,588.83

Finding the Fourth Proportional to 12,190.64, 18,279.14 and 4,588.83

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Solution

The fourth proportional to 12,190.64, 18,279.14 and 4,588.83 is: 6,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,190.64 : 18,279.14 = 4,588.83 : x
  2. Step 2: Convert to fraction form
    12,190.64/18,279.14 = 4,588.83/x
  3. Step 3: Cross multiply
    12,190.64x = 18,279.14 × 4,588.83
  4. Step 4: Simplify right side
    12,190.64x = 83,879,843.06
  5. Step 5: Solve for x
    x = 83,879,843.06/12,190.64
  6. Step 6: Final answer
    x = 6,880.68

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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.