Home / 11,215.27-15,477.26-6,179.79

Finding the Fourth Proportional to 11,215.27, 15,477.26 and 6,179.79

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Solution

The fourth proportional to 11,215.27, 15,477.26 and 6,179.79 is: 8,528.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,215.27 : 15,477.26 = 6,179.79 : x
  2. Step 2: Convert to fraction form
    11,215.27/15,477.26 = 6,179.79/x
  3. Step 3: Cross multiply
    11,215.27x = 15,477.26 × 6,179.79
  4. Step 4: Simplify right side
    11,215.27x = 95,646,216.58
  5. Step 5: Solve for x
    x = 95,646,216.58/11,215.27
  6. Step 6: Final answer
    x = 8,528.21

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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.