Home / 11,265.93-16,877.02-5,426.64

Finding the Fourth Proportional to 11,265.93, 16,877.02 and 5,426.64

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Solution

The fourth proportional to 11,265.93, 16,877.02 and 5,426.64 is: 8,129.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,265.93 : 16,877.02 = 5,426.64 : x
  2. Step 2: Convert to fraction form
    11,265.93/16,877.02 = 5,426.64/x
  3. Step 3: Cross multiply
    11,265.93x = 16,877.02 × 5,426.64
  4. Step 4: Simplify right side
    11,265.93x = 91,585,511.81
  5. Step 5: Solve for x
    x = 91,585,511.81/11,265.93
  6. Step 6: Final answer
    x = 8,129.42

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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.