Home / 11,548.97-15,937.59-6,243.79

Finding the Fourth Proportional to 11,548.97, 15,937.59 and 6,243.79

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Solution

The fourth proportional to 11,548.97, 15,937.59 and 6,243.79 is: 8,616.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,548.97 : 15,937.59 = 6,243.79 : x
  2. Step 2: Convert to fraction form
    11,548.97/15,937.59 = 6,243.79/x
  3. Step 3: Cross multiply
    11,548.97x = 15,937.59 × 6,243.79
  4. Step 4: Simplify right side
    11,548.97x = 99,510,913.93
  5. Step 5: Solve for x
    x = 99,510,913.93/11,548.97
  6. Step 6: Final answer
    x = 8,616.43

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1.5x scale

Why These Related Problems?

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