Home / 18,601.81-27,902.35-5,453.89

Finding the Fourth Proportional to 18,601.81, 27,902.35 and 5,453.89

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Solution

The fourth proportional to 18,601.81, 27,902.35 and 5,453.89 is: 8,180.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,601.81 : 27,902.35 = 5,453.89 : x
  2. Step 2: Convert to fraction form
    18,601.81/27,902.35 = 5,453.89/x
  3. Step 3: Cross multiply
    18,601.81x = 27,902.35 × 5,453.89
  4. Step 4: Simplify right side
    18,601.81x = 152,176,347.64
  5. Step 5: Solve for x
    x = 152,176,347.64/18,601.81
  6. Step 6: Final answer
    x = 8,180.73

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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.