Home / 18,290.70-27,439.92-5,809.19

Finding the Fourth Proportional to 18,290.70, 27,439.92 and 5,809.19

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Solution

The fourth proportional to 18,290.70, 27,439.92 and 5,809.19 is: 8,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,290.70 : 27,439.92 = 5,809.19 : x
  2. Step 2: Convert to fraction form
    18,290.70/27,439.92 = 5,809.19/x
  3. Step 3: Cross multiply
    18,290.70x = 27,439.92 × 5,809.19
  4. Step 4: Simplify right side
    18,290.70x = 159,403,571.67
  5. Step 5: Solve for x
    x = 159,403,571.67/18,290.70
  6. Step 6: Final answer
    x = 8,715.01

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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.