Home / 11,281.12-16,918.02-3,883.76

Finding the Fourth Proportional to 11,281.12, 16,918.02 and 3,883.76

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Solution

The fourth proportional to 11,281.12, 16,918.02 and 3,883.76 is: 5,824.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,281.12 : 16,918.02 = 3,883.76 : x
  2. Step 2: Convert to fraction form
    11,281.12/16,918.02 = 3,883.76/x
  3. Step 3: Cross multiply
    11,281.12x = 16,918.02 × 3,883.76
  4. Step 4: Simplify right side
    11,281.12x = 65,705,529.36
  5. Step 5: Solve for x
    x = 65,705,529.36/11,281.12
  6. Step 6: Final answer
    x = 5,824.38

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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.