Home / 18,385.56-25,371.96-10,002

Finding the Fourth Proportional to 18,385.56, 25,371.96 and 10,002

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Solution

The fourth proportional to 18,385.56, 25,371.96 and 10,002 is: 13,802.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,385.56 : 25,371.96 = 10,002 : x
  2. Step 2: Convert to fraction form
    18,385.56/25,371.96 = 10,002/x
  3. Step 3: Cross multiply
    18,385.56x = 25,371.96 × 10,002
  4. Step 4: Simplify right side
    18,385.56x = 253,770,343.92
  5. Step 5: Solve for x
    x = 253,770,343.92/18,385.56
  6. Step 6: Final answer
    x = 13,802.70

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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.