Home / 10,305.88-15,457.98-3,379.72

Finding the Fourth Proportional to 10,305.88, 15,457.98 and 3,379.72

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Solution

The fourth proportional to 10,305.88, 15,457.98 and 3,379.72 is: 5,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,305.88 : 15,457.98 = 3,379.72 : x
  2. Step 2: Convert to fraction form
    10,305.88/15,457.98 = 3,379.72/x
  3. Step 3: Cross multiply
    10,305.88x = 15,457.98 × 3,379.72
  4. Step 4: Simplify right side
    10,305.88x = 52,243,644.17
  5. Step 5: Solve for x
    x = 52,243,644.17/10,305.88
  6. Step 6: Final answer
    x = 5,069.30

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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.