Home / 11,322.30-15,624.49-6,286.36

Finding the Fourth Proportional to 11,322.30, 15,624.49 and 6,286.36

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Solution

The fourth proportional to 11,322.30, 15,624.49 and 6,286.36 is: 8,675.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,322.30 : 15,624.49 = 6,286.36 : x
  2. Step 2: Convert to fraction form
    11,322.30/15,624.49 = 6,286.36/x
  3. Step 3: Cross multiply
    11,322.30x = 15,624.49 × 6,286.36
  4. Step 4: Simplify right side
    11,322.30x = 98,221,168.96
  5. Step 5: Solve for x
    x = 98,221,168.96/11,322.30
  6. Step 6: Final answer
    x = 8,675.02

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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.