Home / 18,429.19-27,643.97-4,578.19

Finding the Fourth Proportional to 18,429.19, 27,643.97 and 4,578.19

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Solution

The fourth proportional to 18,429.19, 27,643.97 and 4,578.19 is: 6,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,429.19 : 27,643.97 = 4,578.19 : x
  2. Step 2: Convert to fraction form
    18,429.19/27,643.97 = 4,578.19/x
  3. Step 3: Cross multiply
    18,429.19x = 27,643.97 × 4,578.19
  4. Step 4: Simplify right side
    18,429.19x = 126,559,289.35
  5. Step 5: Solve for x
    x = 126,559,289.35/18,429.19
  6. Step 6: Final answer
    x = 6,867.33

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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.