Home / 11,864.30-16,371.59-6,558.39

Finding the Fourth Proportional to 11,864.30, 16,371.59 and 6,558.39

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Solution

The fourth proportional to 11,864.30, 16,371.59 and 6,558.39 is: 9,049.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.30 : 16,371.59 = 6,558.39 : x
  2. Step 2: Convert to fraction form
    11,864.30/16,371.59 = 6,558.39/x
  3. Step 3: Cross multiply
    11,864.30x = 16,371.59 × 6,558.39
  4. Step 4: Simplify right side
    11,864.30x = 107,371,239.35
  5. Step 5: Solve for x
    x = 107,371,239.35/11,864.30
  6. Step 6: Final answer
    x = 9,049.95

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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.