Home / 10,172.56-15,267.48-4,020.88

Finding the Fourth Proportional to 10,172.56, 15,267.48 and 4,020.88

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Solution

The fourth proportional to 10,172.56, 15,267.48 and 4,020.88 is: 6,034.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,172.56 : 15,267.48 = 4,020.88 : x
  2. Step 2: Convert to fraction form
    10,172.56/15,267.48 = 4,020.88/x
  3. Step 3: Cross multiply
    10,172.56x = 15,267.48 × 4,020.88
  4. Step 4: Simplify right side
    10,172.56x = 61,388,704.98
  5. Step 5: Solve for x
    x = 61,388,704.98/10,172.56
  6. Step 6: Final answer
    x = 6,034.74

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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.