Home / 18,201.60-25,118.58-10,243.83

Finding the Fourth Proportional to 18,201.60, 25,118.58 and 10,243.83

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Solution

The fourth proportional to 18,201.60, 25,118.58 and 10,243.83 is: 14,136.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,201.60 : 25,118.58 = 10,243.83 : x
  2. Step 2: Convert to fraction form
    18,201.60/25,118.58 = 10,243.83/x
  3. Step 3: Cross multiply
    18,201.60x = 25,118.58 × 10,243.83
  4. Step 4: Simplify right side
    18,201.60x = 257,310,463.36
  5. Step 5: Solve for x
    x = 257,310,463.36/18,201.60
  6. Step 6: Final answer
    x = 14,136.69

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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.