Home / 11,175.90-16,762.26-3,779.36

Finding the Fourth Proportional to 11,175.90, 16,762.26 and 3,779.36

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Solution

The fourth proportional to 11,175.90, 16,762.26 and 3,779.36 is: 5,668.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,175.90 : 16,762.26 = 3,779.36 : x
  2. Step 2: Convert to fraction form
    11,175.90/16,762.26 = 3,779.36/x
  3. Step 3: Cross multiply
    11,175.90x = 16,762.26 × 3,779.36
  4. Step 4: Simplify right side
    11,175.90x = 63,350,614.95
  5. Step 5: Solve for x
    x = 63,350,614.95/11,175.90
  6. Step 6: Final answer
    x = 5,668.50

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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.