Home / 12,682.44-19,016.28-5,278.04

Finding the Fourth Proportional to 12,682.44, 19,016.28 and 5,278.04

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Solution

The fourth proportional to 12,682.44, 19,016.28 and 5,278.04 is: 7,913.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,682.44 : 19,016.28 = 5,278.04 : x
  2. Step 2: Convert to fraction form
    12,682.44/19,016.28 = 5,278.04/x
  3. Step 3: Cross multiply
    12,682.44x = 19,016.28 × 5,278.04
  4. Step 4: Simplify right side
    12,682.44x = 100,368,686.49
  5. Step 5: Solve for x
    x = 100,368,686.49/12,682.44
  6. Step 6: Final answer
    x = 7,913.99

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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.