Home / 14,588.40-21,850.20-7,654.80

Finding the Fourth Proportional to 14,588.40, 21,850.20 and 7,654.80

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Solution

The fourth proportional to 14,588.40, 21,850.20 and 7,654.80 is: 11,465.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,588.40 : 21,850.20 = 7,654.80 : x
  2. Step 2: Convert to fraction form
    14,588.40/21,850.20 = 7,654.80/x
  3. Step 3: Cross multiply
    14,588.40x = 21,850.20 × 7,654.80
  4. Step 4: Simplify right side
    14,588.40x = 167,258,910.96
  5. Step 5: Solve for x
    x = 167,258,910.96/14,588.40
  6. Step 6: Final answer
    x = 11,465.20

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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.