Home / 11,530.05-15,911.56-6,493.26

Finding the Fourth Proportional to 11,530.05, 15,911.56 and 6,493.26

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Solution

The fourth proportional to 11,530.05, 15,911.56 and 6,493.26 is: 8,960.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,530.05 : 15,911.56 = 6,493.26 : x
  2. Step 2: Convert to fraction form
    11,530.05/15,911.56 = 6,493.26/x
  3. Step 3: Cross multiply
    11,530.05x = 15,911.56 × 6,493.26
  4. Step 4: Simplify right side
    11,530.05x = 103,317,982.13
  5. Step 5: Solve for x
    x = 103,317,982.13/11,530.05
  6. Step 6: Final answer
    x = 8,960.76

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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.