Home / 18,311.22-27,464.40-5,164.65

Finding the Fourth Proportional to 18,311.22, 27,464.40 and 5,164.65

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Solution

The fourth proportional to 18,311.22, 27,464.40 and 5,164.65 is: 7,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.22 : 27,464.40 = 5,164.65 : x
  2. Step 2: Convert to fraction form
    18,311.22/27,464.40 = 5,164.65/x
  3. Step 3: Cross multiply
    18,311.22x = 27,464.40 × 5,164.65
  4. Step 4: Simplify right side
    18,311.22x = 141,844,013.46
  5. Step 5: Solve for x
    x = 141,844,013.46/18,311.22
  6. Step 6: Final answer
    x = 7,746.29

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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.