Home / 10,964.22-16,446.32-4,385.80

Finding the Fourth Proportional to 10,964.22, 16,446.32 and 4,385.80

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Solution

The fourth proportional to 10,964.22, 16,446.32 and 4,385.80 is: 6,578.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,964.22 : 16,446.32 = 4,385.80 : x
  2. Step 2: Convert to fraction form
    10,964.22/16,446.32 = 4,385.80/x
  3. Step 3: Cross multiply
    10,964.22x = 16,446.32 × 4,385.80
  4. Step 4: Simplify right side
    10,964.22x = 72,130,270.26
  5. Step 5: Solve for x
    x = 72,130,270.26/10,964.22
  6. Step 6: Final answer
    x = 6,578.70

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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.