Home / 18,554.43-27,830.97-5,407.05

Finding the Fourth Proportional to 18,554.43, 27,830.97 and 5,407.05

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Solution

The fourth proportional to 18,554.43, 27,830.97 and 5,407.05 is: 8,110.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,554.43 : 27,830.97 = 5,407.05 : x
  2. Step 2: Convert to fraction form
    18,554.43/27,830.97 = 5,407.05/x
  3. Step 3: Cross multiply
    18,554.43x = 27,830.97 × 5,407.05
  4. Step 4: Simplify right side
    18,554.43x = 150,483,446.34
  5. Step 5: Solve for x
    x = 150,483,446.34/18,554.43
  6. Step 6: Final answer
    x = 8,110.38

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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.