Home / 13,904.24-19,187.76-7,616.64

Finding the Fourth Proportional to 13,904.24, 19,187.76 and 7,616.64

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Solution

The fourth proportional to 13,904.24, 19,187.76 and 7,616.64 is: 10,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,904.24 : 19,187.76 = 7,616.64 : x
  2. Step 2: Convert to fraction form
    13,904.24/19,187.76 = 7,616.64/x
  3. Step 3: Cross multiply
    13,904.24x = 19,187.76 × 7,616.64
  4. Step 4: Simplify right side
    13,904.24x = 146,146,260.33
  5. Step 5: Solve for x
    x = 146,146,260.33/13,904.24
  6. Step 6: Final answer
    x = 10,510.91

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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.