Home / 11,495.34-17,231.04-7,797.87

Finding the Fourth Proportional to 11,495.34, 17,231.04 and 7,797.87

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Solution

The fourth proportional to 11,495.34, 17,231.04 and 7,797.87 is: 11,688.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,495.34 : 17,231.04 = 7,797.87 : x
  2. Step 2: Convert to fraction form
    11,495.34/17,231.04 = 7,797.87/x
  3. Step 3: Cross multiply
    11,495.34x = 17,231.04 × 7,797.87
  4. Step 4: Simplify right side
    11,495.34x = 134,365,409.88
  5. Step 5: Solve for x
    x = 134,365,409.88/11,495.34
  6. Step 6: Final answer
    x = 11,688.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.