Home / 10,858.15-16,270.82-8,071.75

Finding the Fourth Proportional to 10,858.15, 16,270.82 and 8,071.75

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Solution

The fourth proportional to 10,858.15, 16,270.82 and 8,071.75 is: 12,095.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.15 : 16,270.82 = 8,071.75 : x
  2. Step 2: Convert to fraction form
    10,858.15/16,270.82 = 8,071.75/x
  3. Step 3: Cross multiply
    10,858.15x = 16,270.82 × 8,071.75
  4. Step 4: Simplify right side
    10,858.15x = 131,333,869.62
  5. Step 5: Solve for x
    x = 131,333,869.62/10,858.15
  6. Step 6: Final answer
    x = 12,095.42

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1.5x scale

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.