Home / 11,544.90-17,317.32-2,779.80

Finding the Fourth Proportional to 11,544.90, 17,317.32 and 2,779.80

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Solution

The fourth proportional to 11,544.90, 17,317.32 and 2,779.80 is: 4,169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,544.90 : 17,317.32 = 2,779.80 : x
  2. Step 2: Convert to fraction form
    11,544.90/17,317.32 = 2,779.80/x
  3. Step 3: Cross multiply
    11,544.90x = 17,317.32 × 2,779.80
  4. Step 4: Simplify right side
    11,544.90x = 48,138,686.14
  5. Step 5: Solve for x
    x = 48,138,686.14/11,544.90
  6. Step 6: Final answer
    x = 4,169.69

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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.