Home / 18,110.36-27,165.32-4,962.72

Finding the Fourth Proportional to 18,110.36, 27,165.32 and 4,962.72

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Solution

The fourth proportional to 18,110.36, 27,165.32 and 4,962.72 is: 7,444.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,110.36 : 27,165.32 = 4,962.72 : x
  2. Step 2: Convert to fraction form
    18,110.36/27,165.32 = 4,962.72/x
  3. Step 3: Cross multiply
    18,110.36x = 27,165.32 × 4,962.72
  4. Step 4: Simplify right side
    18,110.36x = 134,813,876.87
  5. Step 5: Solve for x
    x = 134,813,876.87/18,110.36
  6. Step 6: Final answer
    x = 7,444.02

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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.