Home / 12,471.50-18,707.23-7,273.73

Finding the Fourth Proportional to 12,471.50, 18,707.23 and 7,273.73

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Solution

The fourth proportional to 12,471.50, 18,707.23 and 7,273.73 is: 10,910.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,471.50 : 18,707.23 = 7,273.73 : x
  2. Step 2: Convert to fraction form
    12,471.50/18,707.23 = 7,273.73/x
  3. Step 3: Cross multiply
    12,471.50x = 18,707.23 × 7,273.73
  4. Step 4: Simplify right side
    12,471.50x = 136,071,303.70
  5. Step 5: Solve for x
    x = 136,071,303.70/12,471.50
  6. Step 6: Final answer
    x = 10,910.58

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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.