Home / 18,270.77-25,204.37-11,098.78

Finding the Fourth Proportional to 18,270.77, 25,204.37 and 11,098.78

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Solution

The fourth proportional to 18,270.77, 25,204.37 and 11,098.78 is: 15,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,270.77 : 25,204.37 = 11,098.78 : x
  2. Step 2: Convert to fraction form
    18,270.77/25,204.37 = 11,098.78/x
  3. Step 3: Cross multiply
    18,270.77x = 25,204.37 × 11,098.78
  4. Step 4: Simplify right side
    18,270.77x = 279,737,576.15
  5. Step 5: Solve for x
    x = 279,737,576.15/18,270.77
  6. Step 6: Final answer
    x = 15,310.67

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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.