Home / 11,268.76-16,905.06-3,477.40

Finding the Fourth Proportional to 11,268.76, 16,905.06 and 3,477.40

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Solution

The fourth proportional to 11,268.76, 16,905.06 and 3,477.40 is: 5,216.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.76 : 16,905.06 = 3,477.40 : x
  2. Step 2: Convert to fraction form
    11,268.76/16,905.06 = 3,477.40/x
  3. Step 3: Cross multiply
    11,268.76x = 16,905.06 × 3,477.40
  4. Step 4: Simplify right side
    11,268.76x = 58,785,655.64
  5. Step 5: Solve for x
    x = 58,785,655.64/11,268.76
  6. Step 6: Final answer
    x = 5,216.69

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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.