Home / 12,799.71-19,197.68-4,479.12

Finding the Fourth Proportional to 12,799.71, 19,197.68 and 4,479.12

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Solution

The fourth proportional to 12,799.71, 19,197.68 and 4,479.12 is: 6,718.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.71 : 19,197.68 = 4,479.12 : x
  2. Step 2: Convert to fraction form
    12,799.71/19,197.68 = 4,479.12/x
  3. Step 3: Cross multiply
    12,799.71x = 19,197.68 × 4,479.12
  4. Step 4: Simplify right side
    12,799.71x = 85,988,690.05
  5. Step 5: Solve for x
    x = 85,988,690.05/12,799.71
  6. Step 6: Final answer
    x = 6,718.02

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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.