Home / 11,465.82-15,824.16-6,750

Finding the Fourth Proportional to 11,465.82, 15,824.16 and 6,750

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Solution

The fourth proportional to 11,465.82, 15,824.16 and 6,750 is: 9,315.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,465.82 : 15,824.16 = 6,750 : x
  2. Step 2: Convert to fraction form
    11,465.82/15,824.16 = 6,750/x
  3. Step 3: Cross multiply
    11,465.82x = 15,824.16 × 6,750
  4. Step 4: Simplify right side
    11,465.82x = 106,813,080
  5. Step 5: Solve for x
    x = 106,813,080/11,465.82
  6. Step 6: Final answer
    x = 9,315.78

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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.