Home / 14,649.18-20,215.89-8,100.73

Finding the Fourth Proportional to 14,649.18, 20,215.89 and 8,100.73

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Solution

The fourth proportional to 14,649.18, 20,215.89 and 8,100.73 is: 11,179.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,649.18 : 20,215.89 = 8,100.73 : x
  2. Step 2: Convert to fraction form
    14,649.18/20,215.89 = 8,100.73/x
  3. Step 3: Cross multiply
    14,649.18x = 20,215.89 × 8,100.73
  4. Step 4: Simplify right side
    14,649.18x = 163,763,466.60
  5. Step 5: Solve for x
    x = 163,763,466.60/14,649.18
  6. Step 6: Final answer
    x = 11,179.02

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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.