Home / 18,334.72-27,503.92-6,645.28

Finding the Fourth Proportional to 18,334.72, 27,503.92 and 6,645.28

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Solution

The fourth proportional to 18,334.72, 27,503.92 and 6,645.28 is: 9,968.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,334.72 : 27,503.92 = 6,645.28 : x
  2. Step 2: Convert to fraction form
    18,334.72/27,503.92 = 6,645.28/x
  3. Step 3: Cross multiply
    18,334.72x = 27,503.92 × 6,645.28
  4. Step 4: Simplify right side
    18,334.72x = 182,771,249.50
  5. Step 5: Solve for x
    x = 182,771,249.50/18,334.72
  6. Step 6: Final answer
    x = 9,968.59

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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.