Home / 11,530.08-15,910.48-6,750.60

Finding the Fourth Proportional to 11,530.08, 15,910.48 and 6,750.60

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Solution

The fourth proportional to 11,530.08, 15,910.48 and 6,750.60 is: 9,315.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.08 : 15,910.48 = 6,750.60 : x
  2. Step 2: Convert to fraction form
    11,530.08/15,910.48 = 6,750.60/x
  3. Step 3: Cross multiply
    11,530.08x = 15,910.48 × 6,750.60
  4. Step 4: Simplify right side
    11,530.08x = 107,405,286.29
  5. Step 5: Solve for x
    x = 107,405,286.29/11,530.08
  6. Step 6: Final answer
    x = 9,315.22

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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.