Home / 18,308.50-25,252.68-11,923.36

Finding the Fourth Proportional to 18,308.50, 25,252.68 and 11,923.36

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Solution

The fourth proportional to 18,308.50, 25,252.68 and 11,923.36 is: 16,445.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.50 : 25,252.68 = 11,923.36 : x
  2. Step 2: Convert to fraction form
    18,308.50/25,252.68 = 11,923.36/x
  3. Step 3: Cross multiply
    18,308.50x = 25,252.68 × 11,923.36
  4. Step 4: Simplify right side
    18,308.50x = 301,096,794.60
  5. Step 5: Solve for x
    x = 301,096,794.60/18,308.50
  6. Step 6: Final answer
    x = 16,445.74

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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.