Home / 11,193.90-16,779.60-4,169.40

Finding the Fourth Proportional to 11,193.90, 16,779.60 and 4,169.40

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Solution

The fourth proportional to 11,193.90, 16,779.60 and 4,169.40 is: 6,249.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,193.90 : 16,779.60 = 4,169.40 : x
  2. Step 2: Convert to fraction form
    11,193.90/16,779.60 = 4,169.40/x
  3. Step 3: Cross multiply
    11,193.90x = 16,779.60 × 4,169.40
  4. Step 4: Simplify right side
    11,193.90x = 69,960,864.24
  5. Step 5: Solve for x
    x = 69,960,864.24/11,193.90
  6. Step 6: Final answer
    x = 6,249.91

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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.