Home / 16,891.10-23,315.55-11,603.42

Finding the Fourth Proportional to 16,891.10, 23,315.55 and 11,603.42

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Solution

The fourth proportional to 16,891.10, 23,315.55 and 11,603.42 is: 16,016.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,891.10 : 23,315.55 = 11,603.42 : x
  2. Step 2: Convert to fraction form
    16,891.10/23,315.55 = 11,603.42/x
  3. Step 3: Cross multiply
    16,891.10x = 23,315.55 × 11,603.42
  4. Step 4: Simplify right side
    16,891.10x = 270,540,119.18
  5. Step 5: Solve for x
    x = 270,540,119.18/16,891.10
  6. Step 6: Final answer
    x = 16,016.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.