Home / 11,180.40-16,771.08-3,389.28

Finding the Fourth Proportional to 11,180.40, 16,771.08 and 3,389.28

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Solution

The fourth proportional to 11,180.40, 16,771.08 and 3,389.28 is: 5,084.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,180.40 : 16,771.08 = 3,389.28 : x
  2. Step 2: Convert to fraction form
    11,180.40/16,771.08 = 3,389.28/x
  3. Step 3: Cross multiply
    11,180.40x = 16,771.08 × 3,389.28
  4. Step 4: Simplify right side
    11,180.40x = 56,841,886.02
  5. Step 5: Solve for x
    x = 56,841,886.02/11,180.40
  6. Step 6: Final answer
    x = 5,084.07

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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.