Home / 11,304.36-16,959.78-3,513.78

Finding the Fourth Proportional to 11,304.36, 16,959.78 and 3,513.78

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Solution

The fourth proportional to 11,304.36, 16,959.78 and 3,513.78 is: 5,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,304.36 : 16,959.78 = 3,513.78 : x
  2. Step 2: Convert to fraction form
    11,304.36/16,959.78 = 3,513.78/x
  3. Step 3: Cross multiply
    11,304.36x = 16,959.78 × 3,513.78
  4. Step 4: Simplify right side
    11,304.36x = 59,592,935.77
  5. Step 5: Solve for x
    x = 59,592,935.77/11,304.36
  6. Step 6: Final answer
    x = 5,271.68

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1.5x scale

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.