Home / 12,219.03-18,314.13-5,196.93

Finding the Fourth Proportional to 12,219.03, 18,314.13 and 5,196.93

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Solution

The fourth proportional to 12,219.03, 18,314.13 and 5,196.93 is: 7,789.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,219.03 : 18,314.13 = 5,196.93 : x
  2. Step 2: Convert to fraction form
    12,219.03/18,314.13 = 5,196.93/x
  3. Step 3: Cross multiply
    12,219.03x = 18,314.13 × 5,196.93
  4. Step 4: Simplify right side
    12,219.03x = 95,177,251.62
  5. Step 5: Solve for x
    x = 95,177,251.62/12,219.03
  6. Step 6: Final answer
    x = 7,789.26

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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.