Home / 11,317.86-16,987.26-5,775.33

Finding the Fourth Proportional to 11,317.86, 16,987.26 and 5,775.33

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Solution

The fourth proportional to 11,317.86, 16,987.26 and 5,775.33 is: 8,668.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.86 : 16,987.26 = 5,775.33 : x
  2. Step 2: Convert to fraction form
    11,317.86/16,987.26 = 5,775.33/x
  3. Step 3: Cross multiply
    11,317.86x = 16,987.26 × 5,775.33
  4. Step 4: Simplify right side
    11,317.86x = 98,107,032.30
  5. Step 5: Solve for x
    x = 98,107,032.30/11,317.86
  6. Step 6: Final answer
    x = 8,668.34

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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.