Home / 12,852.27-19,278.20-3,967.38

Finding the Fourth Proportional to 12,852.27, 19,278.20 and 3,967.38

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Solution

The fourth proportional to 12,852.27, 19,278.20 and 3,967.38 is: 5,951.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.27 : 19,278.20 = 3,967.38 : x
  2. Step 2: Convert to fraction form
    12,852.27/19,278.20 = 3,967.38/x
  3. Step 3: Cross multiply
    12,852.27x = 19,278.20 × 3,967.38
  4. Step 4: Simplify right side
    12,852.27x = 76,483,955.03
  5. Step 5: Solve for x
    x = 76,483,955.03/12,852.27
  6. Step 6: Final answer
    x = 5,951.01

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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.