Home / 10,960.23-16,428.48-4,379.18

Finding the Fourth Proportional to 10,960.23, 16,428.48 and 4,379.18

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Solution

The fourth proportional to 10,960.23, 16,428.48 and 4,379.18 is: 6,564.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,960.23 : 16,428.48 = 4,379.18 : x
  2. Step 2: Convert to fraction form
    10,960.23/16,428.48 = 4,379.18/x
  3. Step 3: Cross multiply
    10,960.23x = 16,428.48 × 4,379.18
  4. Step 4: Simplify right side
    10,960.23x = 71,943,188.90
  5. Step 5: Solve for x
    x = 71,943,188.90/10,960.23
  6. Step 6: Final answer
    x = 6,564.02

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Why These Related Problems?

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