Home / 10,355.29-14,289.85-5,878.96

Finding the Fourth Proportional to 10,355.29, 14,289.85 and 5,878.96

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Solution

The fourth proportional to 10,355.29, 14,289.85 and 5,878.96 is: 8,112.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,355.29 : 14,289.85 = 5,878.96 : x
  2. Step 2: Convert to fraction form
    10,355.29/14,289.85 = 5,878.96/x
  3. Step 3: Cross multiply
    10,355.29x = 14,289.85 × 5,878.96
  4. Step 4: Simplify right side
    10,355.29x = 84,009,456.56
  5. Step 5: Solve for x
    x = 84,009,456.56/10,355.29
  6. Step 6: Final answer
    x = 8,112.71

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.