Home / 11,310.60-16,965.90-4,385.16

Finding the Fourth Proportional to 11,310.60, 16,965.90 and 4,385.16

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Solution

The fourth proportional to 11,310.60, 16,965.90 and 4,385.16 is: 6,577.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,310.60 : 16,965.90 = 4,385.16 : x
  2. Step 2: Convert to fraction form
    11,310.60/16,965.90 = 4,385.16/x
  3. Step 3: Cross multiply
    11,310.60x = 16,965.90 × 4,385.16
  4. Step 4: Simplify right side
    11,310.60x = 74,398,186.04
  5. Step 5: Solve for x
    x = 74,398,186.04/11,310.60
  6. Step 6: Final answer
    x = 6,577.74

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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.