Home / 10,940.48-16,412.64-4,788.80

Finding the Fourth Proportional to 10,940.48, 16,412.64 and 4,788.80

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Solution

The fourth proportional to 10,940.48, 16,412.64 and 4,788.80 is: 7,184.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,940.48 : 16,412.64 = 4,788.80 : x
  2. Step 2: Convert to fraction form
    10,940.48/16,412.64 = 4,788.80/x
  3. Step 3: Cross multiply
    10,940.48x = 16,412.64 × 4,788.80
  4. Step 4: Simplify right side
    10,940.48x = 78,596,850.43
  5. Step 5: Solve for x
    x = 78,596,850.43/10,940.48
  6. Step 6: Final answer
    x = 7,184.04

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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.