Home / 11,577.88-17,366.78-2,812.78

Finding the Fourth Proportional to 11,577.88, 17,366.78 and 2,812.78

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Solution

The fourth proportional to 11,577.88, 17,366.78 and 2,812.78 is: 4,219.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.88 : 17,366.78 = 2,812.78 : x
  2. Step 2: Convert to fraction form
    11,577.88/17,366.78 = 2,812.78/x
  3. Step 3: Cross multiply
    11,577.88x = 17,366.78 × 2,812.78
  4. Step 4: Simplify right side
    11,577.88x = 48,848,931.45
  5. Step 5: Solve for x
    x = 48,848,931.45/11,577.88
  6. Step 6: Final answer
    x = 4,219.16

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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.