Home / 9,935.92-13,712.24-5,688.32

Finding the Fourth Proportional to 9,935.92, 13,712.24 and 5,688.32

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Solution

The fourth proportional to 9,935.92, 13,712.24 and 5,688.32 is: 7,850.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,935.92 : 13,712.24 = 5,688.32 : x
  2. Step 2: Convert to fraction form
    9,935.92/13,712.24 = 5,688.32/x
  3. Step 3: Cross multiply
    9,935.92x = 13,712.24 × 5,688.32
  4. Step 4: Simplify right side
    9,935.92x = 77,999,609.04
  5. Step 5: Solve for x
    x = 77,999,609.04/9,935.92
  6. Step 6: Final answer
    x = 7,850.27

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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.