Home / 18,723.84-28,083.24-5,573.76

Finding the Fourth Proportional to 18,723.84, 28,083.24 and 5,573.76

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Solution

The fourth proportional to 18,723.84, 28,083.24 and 5,573.76 is: 8,359.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,723.84 : 28,083.24 = 5,573.76 : x
  2. Step 2: Convert to fraction form
    18,723.84/28,083.24 = 5,573.76/x
  3. Step 3: Cross multiply
    18,723.84x = 28,083.24 × 5,573.76
  4. Step 4: Simplify right side
    18,723.84x = 156,529,239.78
  5. Step 5: Solve for x
    x = 156,529,239.78/18,723.84
  6. Step 6: Final answer
    x = 8,359.89

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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.