Home / 18,674.52-28,003.56-5,527.92

Finding the Fourth Proportional to 18,674.52, 28,003.56 and 5,527.92

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Solution

The fourth proportional to 18,674.52, 28,003.56 and 5,527.92 is: 8,289.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,674.52 : 28,003.56 = 5,527.92 : x
  2. Step 2: Convert to fraction form
    18,674.52/28,003.56 = 5,527.92/x
  3. Step 3: Cross multiply
    18,674.52x = 28,003.56 × 5,527.92
  4. Step 4: Simplify right side
    18,674.52x = 154,801,439.40
  5. Step 5: Solve for x
    x = 154,801,439.40/18,674.52
  6. Step 6: Final answer
    x = 8,289.45

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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.