Home / 10,385.73-15,634.70-9,481.77

Finding the Fourth Proportional to 10,385.73, 15,634.70 and 9,481.77

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Solution

The fourth proportional to 10,385.73, 15,634.70 and 9,481.77 is: 14,273.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,385.73 : 15,634.70 = 9,481.77 : x
  2. Step 2: Convert to fraction form
    10,385.73/15,634.70 = 9,481.77/x
  3. Step 3: Cross multiply
    10,385.73x = 15,634.70 × 9,481.77
  4. Step 4: Simplify right side
    10,385.73x = 148,244,582.01
  5. Step 5: Solve for x
    x = 148,244,582.01/10,385.73
  6. Step 6: Final answer
    x = 14,273.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.