Home / 12,799.23-19,200.86-4,479.04

Finding the Fourth Proportional to 12,799.23, 19,200.86 and 4,479.04

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Solution

The fourth proportional to 12,799.23, 19,200.86 and 4,479.04 is: 6,719.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,799.23 : 19,200.86 = 4,479.04 : x
  2. Step 2: Convert to fraction form
    12,799.23/19,200.86 = 4,479.04/x
  3. Step 3: Cross multiply
    12,799.23x = 19,200.86 × 4,479.04
  4. Step 4: Simplify right side
    12,799.23x = 86,001,419.97
  5. Step 5: Solve for x
    x = 86,001,419.97/12,799.23
  6. Step 6: Final answer
    x = 6,719.27

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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.