Home / 14,638.12-20,200.74-8,893.90

Finding the Fourth Proportional to 14,638.12, 20,200.74 and 8,893.90

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Solution

The fourth proportional to 14,638.12, 20,200.74 and 8,893.90 is: 12,273.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,638.12 : 20,200.74 = 8,893.90 : x
  2. Step 2: Convert to fraction form
    14,638.12/20,200.74 = 8,893.90/x
  3. Step 3: Cross multiply
    14,638.12x = 20,200.74 × 8,893.90
  4. Step 4: Simplify right side
    14,638.12x = 179,663,361.49
  5. Step 5: Solve for x
    x = 179,663,361.49/14,638.12
  6. Step 6: Final answer
    x = 12,273.66

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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.