Home / 10,704.10-16,051.35-4,128.10

Finding the Fourth Proportional to 10,704.10, 16,051.35 and 4,128.10

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Solution

The fourth proportional to 10,704.10, 16,051.35 and 4,128.10 is: 6,190.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,704.10 : 16,051.35 = 4,128.10 : x
  2. Step 2: Convert to fraction form
    10,704.10/16,051.35 = 4,128.10/x
  3. Step 3: Cross multiply
    10,704.10x = 16,051.35 × 4,128.10
  4. Step 4: Simplify right side
    10,704.10x = 66,261,577.94
  5. Step 5: Solve for x
    x = 66,261,577.94/10,704.10
  6. Step 6: Final answer
    x = 6,190.30

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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.