Home / 10,986.19-15,163.67-6,273.20

Finding the Fourth Proportional to 10,986.19, 15,163.67 and 6,273.20

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Solution

The fourth proportional to 10,986.19, 15,163.67 and 6,273.20 is: 8,658.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,986.19 : 15,163.67 = 6,273.20 : x
  2. Step 2: Convert to fraction form
    10,986.19/15,163.67 = 6,273.20/x
  3. Step 3: Cross multiply
    10,986.19x = 15,163.67 × 6,273.20
  4. Step 4: Simplify right side
    10,986.19x = 95,124,788.24
  5. Step 5: Solve for x
    x = 95,124,788.24/10,986.19
  6. Step 6: Final answer
    x = 8,658.58

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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.