Home / 18,308.76-25,258.93-11,942.83

Finding the Fourth Proportional to 18,308.76, 25,258.93 and 11,942.83

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Solution

The fourth proportional to 18,308.76, 25,258.93 and 11,942.83 is: 16,476.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,308.76 : 25,258.93 = 11,942.83 : x
  2. Step 2: Convert to fraction form
    18,308.76/25,258.93 = 11,942.83/x
  3. Step 3: Cross multiply
    18,308.76x = 25,258.93 × 11,942.83
  4. Step 4: Simplify right side
    18,308.76x = 301,663,106.97
  5. Step 5: Solve for x
    x = 301,663,106.97/18,308.76
  6. Step 6: Final answer
    x = 16,476.44

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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.