Home / 12,207.00-18,310.66-3,886.99

Finding the Fourth Proportional to 12,207.00, 18,310.66 and 3,886.99

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Solution

The fourth proportional to 12,207.00, 18,310.66 and 3,886.99 is: 5,830.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,207.00 : 18,310.66 = 3,886.99 : x
  2. Step 2: Convert to fraction form
    12,207.00/18,310.66 = 3,886.99/x
  3. Step 3: Cross multiply
    12,207.00x = 18,310.66 × 3,886.99
  4. Step 4: Simplify right side
    12,207.00x = 71,173,296.82
  5. Step 5: Solve for x
    x = 71,173,296.82/12,207.00
  6. Step 6: Final answer
    x = 5,830.53

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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.