Home / 18,291.08-27,433.82-5,809.49

Finding the Fourth Proportional to 18,291.08, 27,433.82 and 5,809.49

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Solution

The fourth proportional to 18,291.08, 27,433.82 and 5,809.49 is: 8,713.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,291.08 : 27,433.82 = 5,809.49 : x
  2. Step 2: Convert to fraction form
    18,291.08/27,433.82 = 5,809.49/x
  3. Step 3: Cross multiply
    18,291.08x = 27,433.82 × 5,809.49
  4. Step 4: Simplify right side
    18,291.08x = 159,376,336.74
  5. Step 5: Solve for x
    x = 159,376,336.74/18,291.08
  6. Step 6: Final answer
    x = 8,713.34

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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.