Home / 12,196.68-18,290.92-4,799.20

Finding the Fourth Proportional to 12,196.68, 18,290.92 and 4,799.20

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Solution

The fourth proportional to 12,196.68, 18,290.92 and 4,799.20 is: 7,197.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,196.68 : 18,290.92 = 4,799.20 : x
  2. Step 2: Convert to fraction form
    12,196.68/18,290.92 = 4,799.20/x
  3. Step 3: Cross multiply
    12,196.68x = 18,290.92 × 4,799.20
  4. Step 4: Simplify right side
    12,196.68x = 87,781,783.26
  5. Step 5: Solve for x
    x = 87,781,783.26/12,196.68
  6. Step 6: Final answer
    x = 7,197.19

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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.