Home / 14,682.25-20,278.33-9,668.88

Finding the Fourth Proportional to 14,682.25, 20,278.33 and 9,668.88

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Solution

The fourth proportional to 14,682.25, 20,278.33 and 9,668.88 is: 13,354.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,682.25 : 20,278.33 = 9,668.88 : x
  2. Step 2: Convert to fraction form
    14,682.25/20,278.33 = 9,668.88/x
  3. Step 3: Cross multiply
    14,682.25x = 20,278.33 × 9,668.88
  4. Step 4: Simplify right side
    14,682.25x = 196,068,640.33
  5. Step 5: Solve for x
    x = 196,068,640.33/14,682.25
  6. Step 6: Final answer
    x = 13,354.13

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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.