Home / 12,200.39-18,284.16-4,802.86

Finding the Fourth Proportional to 12,200.39, 18,284.16 and 4,802.86

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Solution

The fourth proportional to 12,200.39, 18,284.16 and 4,802.86 is: 7,197.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,200.39 : 18,284.16 = 4,802.86 : x
  2. Step 2: Convert to fraction form
    12,200.39/18,284.16 = 4,802.86/x
  3. Step 3: Cross multiply
    12,200.39x = 18,284.16 × 4,802.86
  4. Step 4: Simplify right side
    12,200.39x = 87,816,169.28
  5. Step 5: Solve for x
    x = 87,816,169.28/12,200.39
  6. Step 6: Final answer
    x = 7,197.82

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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.