Home / 10,865.41-16,290.12-3,465.61

Finding the Fourth Proportional to 10,865.41, 16,290.12 and 3,465.61

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Solution

The fourth proportional to 10,865.41, 16,290.12 and 3,465.61 is: 5,195.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865.41 : 16,290.12 = 3,465.61 : x
  2. Step 2: Convert to fraction form
    10,865.41/16,290.12 = 3,465.61/x
  3. Step 3: Cross multiply
    10,865.41x = 16,290.12 × 3,465.61
  4. Step 4: Simplify right side
    10,865.41x = 56,455,202.77
  5. Step 5: Solve for x
    x = 56,455,202.77/10,865.41
  6. Step 6: Final answer
    x = 5,195.86

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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.