Home / 18,118.40-27,174.68-4,967.70

Finding the Fourth Proportional to 18,118.40, 27,174.68 and 4,967.70

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Solution

The fourth proportional to 18,118.40, 27,174.68 and 4,967.70 is: 7,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,118.40 : 27,174.68 = 4,967.70 : x
  2. Step 2: Convert to fraction form
    18,118.40/27,174.68 = 4,967.70/x
  3. Step 3: Cross multiply
    18,118.40x = 27,174.68 × 4,967.70
  4. Step 4: Simplify right side
    18,118.40x = 134,995,657.84
  5. Step 5: Solve for x
    x = 134,995,657.84/18,118.40
  6. Step 6: Final answer
    x = 7,450.75

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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.