Home / 14,954.41-20,636.97-8,239.88

Finding the Fourth Proportional to 14,954.41, 20,636.97 and 8,239.88

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Solution

The fourth proportional to 14,954.41, 20,636.97 and 8,239.88 is: 11,370.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.41 : 20,636.97 = 8,239.88 : x
  2. Step 2: Convert to fraction form
    14,954.41/20,636.97 = 8,239.88/x
  3. Step 3: Cross multiply
    14,954.41x = 20,636.97 × 8,239.88
  4. Step 4: Simplify right side
    14,954.41x = 170,046,156.36
  5. Step 5: Solve for x
    x = 170,046,156.36/14,954.41
  6. Step 6: Final answer
    x = 11,370.97

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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.