Home / 14,731.33-22,096.99-12,128.80

Finding the Fourth Proportional to 14,731.33, 22,096.99 and 12,128.80

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Solution

The fourth proportional to 14,731.33, 22,096.99 and 12,128.80 is: 18,193.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,731.33 : 22,096.99 = 12,128.80 : x
  2. Step 2: Convert to fraction form
    14,731.33/22,096.99 = 12,128.80/x
  3. Step 3: Cross multiply
    14,731.33x = 22,096.99 × 12,128.80
  4. Step 4: Simplify right side
    14,731.33x = 268,009,972.31
  5. Step 5: Solve for x
    x = 268,009,972.31/14,731.33
  6. Step 6: Final answer
    x = 18,193.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.