Home / 11,315.66-16,973.76-6,668.33

Finding the Fourth Proportional to 11,315.66, 16,973.76 and 6,668.33

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Solution

The fourth proportional to 11,315.66, 16,973.76 and 6,668.33 is: 10,002.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,315.66 : 16,973.76 = 6,668.33 : x
  2. Step 2: Convert to fraction form
    11,315.66/16,973.76 = 6,668.33/x
  3. Step 3: Cross multiply
    11,315.66x = 16,973.76 × 6,668.33
  4. Step 4: Simplify right side
    11,315.66x = 113,186,633.02
  5. Step 5: Solve for x
    x = 113,186,633.02/11,315.66
  6. Step 6: Final answer
    x = 10,002.65

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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.