Home / 11,016.95-16,523.30-3,119.40

Finding the Fourth Proportional to 11,016.95, 16,523.30 and 3,119.40

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Solution

The fourth proportional to 11,016.95, 16,523.30 and 3,119.40 is: 4,678.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,016.95 : 16,523.30 = 3,119.40 : x
  2. Step 2: Convert to fraction form
    11,016.95/16,523.30 = 3,119.40/x
  3. Step 3: Cross multiply
    11,016.95x = 16,523.30 × 3,119.40
  4. Step 4: Simplify right side
    11,016.95x = 51,542,766.42
  5. Step 5: Solve for x
    x = 51,542,766.42/11,016.95
  6. Step 6: Final answer
    x = 4,678.50

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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.