Home / 14,954.34-20,636.82-8,666.58

Finding the Fourth Proportional to 14,954.34, 20,636.82 and 8,666.58

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Solution

The fourth proportional to 14,954.34, 20,636.82 and 8,666.58 is: 11,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.34 : 20,636.82 = 8,666.58 : x
  2. Step 2: Convert to fraction form
    14,954.34/20,636.82 = 8,666.58/x
  3. Step 3: Cross multiply
    14,954.34x = 20,636.82 × 8,666.58
  4. Step 4: Simplify right side
    14,954.34x = 178,850,651.48
  5. Step 5: Solve for x
    x = 178,850,651.48/14,954.34
  6. Step 6: Final answer
    x = 11,959.78

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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.