Home / 18,342.09-27,515.07-5,859.18

Finding the Fourth Proportional to 18,342.09, 27,515.07 and 5,859.18

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Solution

The fourth proportional to 18,342.09, 27,515.07 and 5,859.18 is: 8,789.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,342.09 : 27,515.07 = 5,859.18 : x
  2. Step 2: Convert to fraction form
    18,342.09/27,515.07 = 5,859.18/x
  3. Step 3: Cross multiply
    18,342.09x = 27,515.07 × 5,859.18
  4. Step 4: Simplify right side
    18,342.09x = 161,215,718.55
  5. Step 5: Solve for x
    x = 161,215,718.55/18,342.09
  6. Step 6: Final answer
    x = 8,789.39

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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.