Home / 11,277.29-16,904.80-5,438.00

Finding the Fourth Proportional to 11,277.29, 16,904.80 and 5,438.00

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Solution

The fourth proportional to 11,277.29, 16,904.80 and 5,438.00 is: 8,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,277.29 : 16,904.80 = 5,438.00 : x
  2. Step 2: Convert to fraction form
    11,277.29/16,904.80 = 5,438.00/x
  3. Step 3: Cross multiply
    11,277.29x = 16,904.80 × 5,438.00
  4. Step 4: Simplify right side
    11,277.29x = 91,928,351.46
  5. Step 5: Solve for x
    x = 91,928,351.46/11,277.29
  6. Step 6: Final answer
    x = 8,151.63

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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.