Home / 16,779.73-23,161.19-10,811.38

Finding the Fourth Proportional to 16,779.73, 23,161.19 and 10,811.38

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Solution

The fourth proportional to 16,779.73, 23,161.19 and 10,811.38 is: 14,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.73 : 23,161.19 = 10,811.38 : x
  2. Step 2: Convert to fraction form
    16,779.73/23,161.19 = 10,811.38/x
  3. Step 3: Cross multiply
    16,779.73x = 23,161.19 × 10,811.38
  4. Step 4: Simplify right side
    16,779.73x = 250,404,426.34
  5. Step 5: Solve for x
    x = 250,404,426.34/16,779.73
  6. Step 6: Final answer
    x = 14,923.03

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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.