Home / 11,114.03-16,642.83-6,668.90

Finding the Fourth Proportional to 11,114.03, 16,642.83 and 6,668.90

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Solution

The fourth proportional to 11,114.03, 16,642.83 and 6,668.90 is: 9,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.03 : 16,642.83 = 6,668.90 : x
  2. Step 2: Convert to fraction form
    11,114.03/16,642.83 = 6,668.90/x
  3. Step 3: Cross multiply
    11,114.03x = 16,642.83 × 6,668.90
  4. Step 4: Simplify right side
    11,114.03x = 110,989,368.99
  5. Step 5: Solve for x
    x = 110,989,368.99/11,114.03
  6. Step 6: Final answer
    x = 9,986.42

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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.