Home / 10,553.20-14,564.10-6,078.40

Finding the Fourth Proportional to 10,553.20, 14,564.10 and 6,078.40

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Solution

The fourth proportional to 10,553.20, 14,564.10 and 6,078.40 is: 8,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,553.20 : 14,564.10 = 6,078.40 : x
  2. Step 2: Convert to fraction form
    10,553.20/14,564.10 = 6,078.40/x
  3. Step 3: Cross multiply
    10,553.20x = 14,564.10 × 6,078.40
  4. Step 4: Simplify right side
    10,553.20x = 88,526,425.44
  5. Step 5: Solve for x
    x = 88,526,425.44/10,553.20
  6. Step 6: Final answer
    x = 8,388.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.