Home / 11,268.08-16,903.12-2,947.96

Finding the Fourth Proportional to 11,268.08, 16,903.12 and 2,947.96

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Solution

The fourth proportional to 11,268.08, 16,903.12 and 2,947.96 is: 4,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,268.08 : 16,903.12 = 2,947.96 : x
  2. Step 2: Convert to fraction form
    11,268.08/16,903.12 = 2,947.96/x
  3. Step 3: Cross multiply
    11,268.08x = 16,903.12 × 2,947.96
  4. Step 4: Simplify right side
    11,268.08x = 49,829,721.64
  5. Step 5: Solve for x
    x = 49,829,721.64/11,268.08
  6. Step 6: Final answer
    x = 4,422.20

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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.