Home / 18,392.82-25,385.60-10,839.47

Finding the Fourth Proportional to 18,392.82, 25,385.60 and 10,839.47

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Solution

The fourth proportional to 18,392.82, 25,385.60 and 10,839.47 is: 14,960.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,392.82 : 25,385.60 = 10,839.47 : x
  2. Step 2: Convert to fraction form
    18,392.82/25,385.60 = 10,839.47/x
  3. Step 3: Cross multiply
    18,392.82x = 25,385.60 × 10,839.47
  4. Step 4: Simplify right side
    18,392.82x = 275,166,492.60
  5. Step 5: Solve for x
    x = 275,166,492.60/18,392.82
  6. Step 6: Final answer
    x = 14,960.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.