Home / 12,217.77-18,317.69-3,893.00

Finding the Fourth Proportional to 12,217.77, 18,317.69 and 3,893.00

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Solution

The fourth proportional to 12,217.77, 18,317.69 and 3,893.00 is: 5,836.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,217.77 : 18,317.69 = 3,893.00 : x
  2. Step 2: Convert to fraction form
    12,217.77/18,317.69 = 3,893.00/x
  3. Step 3: Cross multiply
    12,217.77x = 18,317.69 × 3,893.00
  4. Step 4: Simplify right side
    12,217.77x = 71,310,656.12
  5. Step 5: Solve for x
    x = 71,310,656.12/12,217.77
  6. Step 6: Final answer
    x = 5,836.63

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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.