Home / 11,212.88-15,465.16-6,495.44

Finding the Fourth Proportional to 11,212.88, 15,465.16 and 6,495.44

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Solution

The fourth proportional to 11,212.88, 15,465.16 and 6,495.44 is: 8,958.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,212.88 : 15,465.16 = 6,495.44 : x
  2. Step 2: Convert to fraction form
    11,212.88/15,465.16 = 6,495.44/x
  3. Step 3: Cross multiply
    11,212.88x = 15,465.16 × 6,495.44
  4. Step 4: Simplify right side
    11,212.88x = 100,453,018.87
  5. Step 5: Solve for x
    x = 100,453,018.87/11,212.88
  6. Step 6: Final answer
    x = 8,958.72

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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.