Home / 10,986.75-15,161.72-6,270.93

Finding the Fourth Proportional to 10,986.75, 15,161.72 and 6,270.93

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Solution

The fourth proportional to 10,986.75, 15,161.72 and 6,270.93 is: 8,653.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.75 : 15,161.72 = 6,270.93 : x
  2. Step 2: Convert to fraction form
    10,986.75/15,161.72 = 6,270.93/x
  3. Step 3: Cross multiply
    10,986.75x = 15,161.72 × 6,270.93
  4. Step 4: Simplify right side
    10,986.75x = 95,078,053.44
  5. Step 5: Solve for x
    x = 95,078,053.44/10,986.75
  6. Step 6: Final answer
    x = 8,653.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.