Home / 14,650.84-20,214.60-8,683.96

Finding the Fourth Proportional to 14,650.84, 20,214.60 and 8,683.96

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Solution

The fourth proportional to 14,650.84, 20,214.60 and 8,683.96 is: 11,981.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,650.84 : 20,214.60 = 8,683.96 : x
  2. Step 2: Convert to fraction form
    14,650.84/20,214.60 = 8,683.96/x
  3. Step 3: Cross multiply
    14,650.84x = 20,214.60 × 8,683.96
  4. Step 4: Simplify right side
    14,650.84x = 175,542,777.82
  5. Step 5: Solve for x
    x = 175,542,777.82/14,650.84
  6. Step 6: Final answer
    x = 11,981.76

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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.