Home / 11,286.30-15,577.02-6,810.42

Finding the Fourth Proportional to 11,286.30, 15,577.02 and 6,810.42

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Solution

The fourth proportional to 11,286.30, 15,577.02 and 6,810.42 is: 9,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,286.30 : 15,577.02 = 6,810.42 : x
  2. Step 2: Convert to fraction form
    11,286.30/15,577.02 = 6,810.42/x
  3. Step 3: Cross multiply
    11,286.30x = 15,577.02 × 6,810.42
  4. Step 4: Simplify right side
    11,286.30x = 106,086,048.55
  5. Step 5: Solve for x
    x = 106,086,048.55/11,286.30
  6. Step 6: Final answer
    x = 9,399.54

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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.