Home / 16,668.88-23,002.97-9,115.22

Finding the Fourth Proportional to 16,668.88, 23,002.97 and 9,115.22

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Solution

The fourth proportional to 16,668.88, 23,002.97 and 9,115.22 is: 12,578.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,668.88 : 23,002.97 = 9,115.22 : x
  2. Step 2: Convert to fraction form
    16,668.88/23,002.97 = 9,115.22/x
  3. Step 3: Cross multiply
    16,668.88x = 23,002.97 × 9,115.22
  4. Step 4: Simplify right side
    16,668.88x = 209,677,144.13
  5. Step 5: Solve for x
    x = 209,677,144.13/16,668.88
  6. Step 6: Final answer
    x = 12,578.96

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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.