Home / 11,176.30-15,422.26-6,395.28

Finding the Fourth Proportional to 11,176.30, 15,422.26 and 6,395.28

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Solution

The fourth proportional to 11,176.30, 15,422.26 and 6,395.28 is: 8,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,176.30 : 15,422.26 = 6,395.28 : x
  2. Step 2: Convert to fraction form
    11,176.30/15,422.26 = 6,395.28/x
  3. Step 3: Cross multiply
    11,176.30x = 15,422.26 × 6,395.28
  4. Step 4: Simplify right side
    11,176.30x = 98,629,670.93
  5. Step 5: Solve for x
    x = 98,629,670.93/11,176.30
  6. Step 6: Final answer
    x = 8,824.89

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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.