Home / 14,636.88-20,203.38-12,668.60

Finding the Fourth Proportional to 14,636.88, 20,203.38 and 12,668.60

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Solution

The fourth proportional to 14,636.88, 20,203.38 and 12,668.60 is: 17,486.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,636.88 : 20,203.38 = 12,668.60 : x
  2. Step 2: Convert to fraction form
    14,636.88/20,203.38 = 12,668.60/x
  3. Step 3: Cross multiply
    14,636.88x = 20,203.38 × 12,668.60
  4. Step 4: Simplify right side
    14,636.88x = 255,948,539.87
  5. Step 5: Solve for x
    x = 255,948,539.87/14,636.88
  6. Step 6: Final answer
    x = 17,486.55

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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.