Home / 10,505.73-15,753.98-3,110.76

Finding the Fourth Proportional to 10,505.73, 15,753.98 and 3,110.76

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Solution

The fourth proportional to 10,505.73, 15,753.98 and 3,110.76 is: 4,664.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,505.73 : 15,753.98 = 3,110.76 : x
  2. Step 2: Convert to fraction form
    10,505.73/15,753.98 = 3,110.76/x
  3. Step 3: Cross multiply
    10,505.73x = 15,753.98 × 3,110.76
  4. Step 4: Simplify right side
    10,505.73x = 49,006,835.27
  5. Step 5: Solve for x
    x = 49,006,835.27/10,505.73
  6. Step 6: Final answer
    x = 4,664.77

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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.