Home / 18,443.35-27,661.23-5,292.79

Finding the Fourth Proportional to 18,443.35, 27,661.23 and 5,292.79

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Solution

The fourth proportional to 18,443.35, 27,661.23 and 5,292.79 is: 7,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,443.35 : 27,661.23 = 5,292.79 : x
  2. Step 2: Convert to fraction form
    18,443.35/27,661.23 = 5,292.79/x
  3. Step 3: Cross multiply
    18,443.35x = 27,661.23 × 5,292.79
  4. Step 4: Simplify right side
    18,443.35x = 146,405,081.53
  5. Step 5: Solve for x
    x = 146,405,081.53/18,443.35
  6. Step 6: Final answer
    x = 7,938.10

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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.