Home / 18,970.70-28,455.35-5,822.73

Finding the Fourth Proportional to 18,970.70, 28,455.35 and 5,822.73

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Solution

The fourth proportional to 18,970.70, 28,455.35 and 5,822.73 is: 8,733.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,970.70 : 28,455.35 = 5,822.73 : x
  2. Step 2: Convert to fraction form
    18,970.70/28,455.35 = 5,822.73/x
  3. Step 3: Cross multiply
    18,970.70x = 28,455.35 × 5,822.73
  4. Step 4: Simplify right side
    18,970.70x = 165,687,790.99
  5. Step 5: Solve for x
    x = 165,687,790.99/18,970.70
  6. Step 6: Final answer
    x = 8,733.88

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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.