Home / 16,922.85-23,329.06-11,871.39

Finding the Fourth Proportional to 16,922.85, 23,329.06 and 11,871.39

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Solution

The fourth proportional to 16,922.85, 23,329.06 and 11,871.39 is: 16,365.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,922.85 : 23,329.06 = 11,871.39 : x
  2. Step 2: Convert to fraction form
    16,922.85/23,329.06 = 11,871.39/x
  3. Step 3: Cross multiply
    16,922.85x = 23,329.06 × 11,871.39
  4. Step 4: Simplify right side
    16,922.85x = 276,948,369.59
  5. Step 5: Solve for x
    x = 276,948,369.59/16,922.85
  6. Step 6: Final answer
    x = 16,365.35

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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.