Home / 10,977.50-16,466.26-3,186.38

Finding the Fourth Proportional to 10,977.50, 16,466.26 and 3,186.38

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Solution

The fourth proportional to 10,977.50, 16,466.26 and 3,186.38 is: 4,779.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.50 : 16,466.26 = 3,186.38 : x
  2. Step 2: Convert to fraction form
    10,977.50/16,466.26 = 3,186.38/x
  3. Step 3: Cross multiply
    10,977.50x = 16,466.26 × 3,186.38
  4. Step 4: Simplify right side
    10,977.50x = 52,467,761.54
  5. Step 5: Solve for x
    x = 52,467,761.54/10,977.50
  6. Step 6: Final answer
    x = 4,779.57

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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.