Home / 11,241.45-15,513.71-6,462.94

Finding the Fourth Proportional to 11,241.45, 15,513.71 and 6,462.94

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Solution

The fourth proportional to 11,241.45, 15,513.71 and 6,462.94 is: 8,919.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.45 : 15,513.71 = 6,462.94 : x
  2. Step 2: Convert to fraction form
    11,241.45/15,513.71 = 6,462.94/x
  3. Step 3: Cross multiply
    11,241.45x = 15,513.71 × 6,462.94
  4. Step 4: Simplify right side
    11,241.45x = 100,264,134.90
  5. Step 5: Solve for x
    x = 100,264,134.90/11,241.45
  6. Step 6: Final answer
    x = 8,919.15

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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.