Home / 10,877.09-16,311.64-3,759.52

Finding the Fourth Proportional to 10,877.09, 16,311.64 and 3,759.52

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Solution

The fourth proportional to 10,877.09, 16,311.64 and 3,759.52 is: 5,637.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,877.09 : 16,311.64 = 3,759.52 : x
  2. Step 2: Convert to fraction form
    10,877.09/16,311.64 = 3,759.52/x
  3. Step 3: Cross multiply
    10,877.09x = 16,311.64 × 3,759.52
  4. Step 4: Simplify right side
    10,877.09x = 61,323,936.81
  5. Step 5: Solve for x
    x = 61,323,936.81/10,877.09
  6. Step 6: Final answer
    x = 5,637.90

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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.