Home / 14,996.38-20,690.85-8,622.63

Finding the Fourth Proportional to 14,996.38, 20,690.85 and 8,622.63

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Solution

The fourth proportional to 14,996.38, 20,690.85 and 8,622.63 is: 11,896.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,996.38 : 20,690.85 = 8,622.63 : x
  2. Step 2: Convert to fraction form
    14,996.38/20,690.85 = 8,622.63/x
  3. Step 3: Cross multiply
    14,996.38x = 20,690.85 × 8,622.63
  4. Step 4: Simplify right side
    14,996.38x = 178,409,543.94
  5. Step 5: Solve for x
    x = 178,409,543.94/14,996.38
  6. Step 6: Final answer
    x = 11,896.84

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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.