Home / 14,954.10-20,636.72-8,239.41

Finding the Fourth Proportional to 14,954.10, 20,636.72 and 8,239.41

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Solution

The fourth proportional to 14,954.10, 20,636.72 and 8,239.41 is: 11,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.10 : 20,636.72 = 8,239.41 : x
  2. Step 2: Convert to fraction form
    14,954.10/20,636.72 = 8,239.41/x
  3. Step 3: Cross multiply
    14,954.10x = 20,636.72 × 8,239.41
  4. Step 4: Simplify right side
    14,954.10x = 170,034,397.14
  5. Step 5: Solve for x
    x = 170,034,397.14/14,954.10
  6. Step 6: Final answer
    x = 11,370.42

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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.