Home / 11,577.36-17,366.88-4,080

Finding the Fourth Proportional to 11,577.36, 17,366.88 and 4,080

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Solution

The fourth proportional to 11,577.36, 17,366.88 and 4,080 is: 6,120.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,577.36 : 17,366.88 = 4,080 : x
  2. Step 2: Convert to fraction form
    11,577.36/17,366.88 = 4,080/x
  3. Step 3: Cross multiply
    11,577.36x = 17,366.88 × 4,080
  4. Step 4: Simplify right side
    11,577.36x = 70,856,870.40
  5. Step 5: Solve for x
    x = 70,856,870.40/11,577.36
  6. Step 6: Final answer
    x = 6,120.30

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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.