Home / 10,860.20-16,290.29-3,836.39

Finding the Fourth Proportional to 10,860.20, 16,290.29 and 3,836.39

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Solution

The fourth proportional to 10,860.20, 16,290.29 and 3,836.39 is: 5,754.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,860.20 : 16,290.29 = 3,836.39 : x
  2. Step 2: Convert to fraction form
    10,860.20/16,290.29 = 3,836.39/x
  3. Step 3: Cross multiply
    10,860.20x = 16,290.29 × 3,836.39
  4. Step 4: Simplify right side
    10,860.20x = 62,495,805.02
  5. Step 5: Solve for x
    x = 62,495,805.02/10,860.20
  6. Step 6: Final answer
    x = 5,754.57

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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.