Home / 16,814.80-25,222.20-10,939.60

Finding the Fourth Proportional to 16,814.80, 25,222.20 and 10,939.60

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Solution

The fourth proportional to 16,814.80, 25,222.20 and 10,939.60 is: 16,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,814.80 : 25,222.20 = 10,939.60 : x
  2. Step 2: Convert to fraction form
    16,814.80/25,222.20 = 10,939.60/x
  3. Step 3: Cross multiply
    16,814.80x = 25,222.20 × 10,939.60
  4. Step 4: Simplify right side
    16,814.80x = 275,920,779.12
  5. Step 5: Solve for x
    x = 275,920,779.12/16,814.80
  6. Step 6: Final answer
    x = 16,409.40

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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.