Home / 11,923.19-17,884.78-3,715.19

Finding the Fourth Proportional to 11,923.19, 17,884.78 and 3,715.19

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Solution

The fourth proportional to 11,923.19, 17,884.78 and 3,715.19 is: 5,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,923.19 : 17,884.78 = 3,715.19 : x
  2. Step 2: Convert to fraction form
    11,923.19/17,884.78 = 3,715.19/x
  3. Step 3: Cross multiply
    11,923.19x = 17,884.78 × 3,715.19
  4. Step 4: Simplify right side
    11,923.19x = 66,445,355.81
  5. Step 5: Solve for x
    x = 66,445,355.81/11,923.19
  6. Step 6: Final answer
    x = 5,572.78

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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.