Home / 10,986.24-15,162-6,270.48

Finding the Fourth Proportional to 10,986.24, 15,162 and 6,270.48

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Solution

The fourth proportional to 10,986.24, 15,162 and 6,270.48 is: 8,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.24 : 15,162 = 6,270.48 : x
  2. Step 2: Convert to fraction form
    10,986.24/15,162 = 6,270.48/x
  3. Step 3: Cross multiply
    10,986.24x = 15,162 × 6,270.48
  4. Step 4: Simplify right side
    10,986.24x = 95,073,017.76
  5. Step 5: Solve for x
    x = 95,073,017.76/10,986.24
  6. Step 6: Final answer
    x = 8,653.83

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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.