Home / 11,321.36-15,624.28-6,286.08

Finding the Fourth Proportional to 11,321.36, 15,624.28 and 6,286.08

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Solution

The fourth proportional to 11,321.36, 15,624.28 and 6,286.08 is: 8,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.36 : 15,624.28 = 6,286.08 : x
  2. Step 2: Convert to fraction form
    11,321.36/15,624.28 = 6,286.08/x
  3. Step 3: Cross multiply
    11,321.36x = 15,624.28 × 6,286.08
  4. Step 4: Simplify right side
    11,321.36x = 98,215,474.02
  5. Step 5: Solve for x
    x = 98,215,474.02/11,321.36
  6. Step 6: Final answer
    x = 8,675.24

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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.