Home / 10,072.87-15,110.93-4,231.15

Finding the Fourth Proportional to 10,072.87, 15,110.93 and 4,231.15

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Solution

The fourth proportional to 10,072.87, 15,110.93 and 4,231.15 is: 6,347.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.87 : 15,110.93 = 4,231.15 : x
  2. Step 2: Convert to fraction form
    10,072.87/15,110.93 = 4,231.15/x
  3. Step 3: Cross multiply
    10,072.87x = 15,110.93 × 4,231.15
  4. Step 4: Simplify right side
    10,072.87x = 63,936,584.27
  5. Step 5: Solve for x
    x = 63,936,584.27/10,072.87
  6. Step 6: Final answer
    x = 6,347.41

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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.