Home / 18,548.81-27,825.95-5,399.45

Finding the Fourth Proportional to 18,548.81, 27,825.95 and 5,399.45

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Solution

The fourth proportional to 18,548.81, 27,825.95 and 5,399.45 is: 8,099.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.81 : 27,825.95 = 5,399.45 : x
  2. Step 2: Convert to fraction form
    18,548.81/27,825.95 = 5,399.45/x
  3. Step 3: Cross multiply
    18,548.81x = 27,825.95 × 5,399.45
  4. Step 4: Simplify right side
    18,548.81x = 150,244,798.73
  5. Step 5: Solve for x
    x = 150,244,798.73/18,548.81
  6. Step 6: Final answer
    x = 8,099.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.