Home / 11,668.30-16,103.21-6,634.10

Finding the Fourth Proportional to 11,668.30, 16,103.21 and 6,634.10

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Solution

The fourth proportional to 11,668.30, 16,103.21 and 6,634.10 is: 9,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,668.30 : 16,103.21 = 6,634.10 : x
  2. Step 2: Convert to fraction form
    11,668.30/16,103.21 = 6,634.10/x
  3. Step 3: Cross multiply
    11,668.30x = 16,103.21 × 6,634.10
  4. Step 4: Simplify right side
    11,668.30x = 106,830,342.18
  5. Step 5: Solve for x
    x = 106,830,342.18/11,668.30
  6. Step 6: Final answer
    x = 9,155.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.