Home / 11,020.72-15,216.50-6,777.48

Finding the Fourth Proportional to 11,020.72, 15,216.50 and 6,777.48

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Solution

The fourth proportional to 11,020.72, 15,216.50 and 6,777.48 is: 9,357.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,020.72 : 15,216.50 = 6,777.48 : x
  2. Step 2: Convert to fraction form
    11,020.72/15,216.50 = 6,777.48/x
  3. Step 3: Cross multiply
    11,020.72x = 15,216.50 × 6,777.48
  4. Step 4: Simplify right side
    11,020.72x = 103,129,524.42
  5. Step 5: Solve for x
    x = 103,129,524.42/11,020.72
  6. Step 6: Final answer
    x = 9,357.79

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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.