Home / 18,108.37-27,157.33-4,961.17

Finding the Fourth Proportional to 18,108.37, 27,157.33 and 4,961.17

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Solution

The fourth proportional to 18,108.37, 27,157.33 and 4,961.17 is: 7,440.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,108.37 : 27,157.33 = 4,961.17 : x
  2. Step 2: Convert to fraction form
    18,108.37/27,157.33 = 4,961.17/x
  3. Step 3: Cross multiply
    18,108.37x = 27,157.33 × 4,961.17
  4. Step 4: Simplify right side
    18,108.37x = 134,732,130.88
  5. Step 5: Solve for x
    x = 134,732,130.88/18,108.37
  6. Step 6: Final answer
    x = 7,440.32

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1.5x scale

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.