Home / 16,779.63-23,162.94-11,329.73

Finding the Fourth Proportional to 16,779.63, 23,162.94 and 11,329.73

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Solution

The fourth proportional to 16,779.63, 23,162.94 and 11,329.73 is: 15,639.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.63 : 23,162.94 = 11,329.73 : x
  2. Step 2: Convert to fraction form
    16,779.63/23,162.94 = 11,329.73/x
  3. Step 3: Cross multiply
    16,779.63x = 23,162.94 × 11,329.73
  4. Step 4: Simplify right side
    16,779.63x = 262,429,740.39
  5. Step 5: Solve for x
    x = 262,429,740.39/16,779.63
  6. Step 6: Final answer
    x = 15,639.78

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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.