Home / 11,511.14-15,884.34-6,473.76

Finding the Fourth Proportional to 11,511.14, 15,884.34 and 6,473.76

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Solution

The fourth proportional to 11,511.14, 15,884.34 and 6,473.76 is: 8,933.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,511.14 : 15,884.34 = 6,473.76 : x
  2. Step 2: Convert to fraction form
    11,511.14/15,884.34 = 6,473.76/x
  3. Step 3: Cross multiply
    11,511.14x = 15,884.34 × 6,473.76
  4. Step 4: Simplify right side
    11,511.14x = 102,831,404.92
  5. Step 5: Solve for x
    x = 102,831,404.92/11,511.14
  6. Step 6: Final answer
    x = 8,933.21

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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.