Home / 16,779.89-25,147.96-6,909.23

Finding the Fourth Proportional to 16,779.89, 25,147.96 and 6,909.23

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Solution

The fourth proportional to 16,779.89, 25,147.96 and 6,909.23 is: 10,354.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,779.89 : 25,147.96 = 6,909.23 : x
  2. Step 2: Convert to fraction form
    16,779.89/25,147.96 = 6,909.23/x
  3. Step 3: Cross multiply
    16,779.89x = 25,147.96 × 6,909.23
  4. Step 4: Simplify right side
    16,779.89x = 173,753,039.67
  5. Step 5: Solve for x
    x = 173,753,039.67/16,779.89
  6. Step 6: Final answer
    x = 10,354.84

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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.