Home / 11,864.39-16,371.42-6,558.47

Finding the Fourth Proportional to 11,864.39, 16,371.42 and 6,558.47

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Solution

The fourth proportional to 11,864.39, 16,371.42 and 6,558.47 is: 9,049.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.39 : 16,371.42 = 6,558.47 : x
  2. Step 2: Convert to fraction form
    11,864.39/16,371.42 = 6,558.47/x
  3. Step 3: Cross multiply
    11,864.39x = 16,371.42 × 6,558.47
  4. Step 4: Simplify right side
    11,864.39x = 107,371,466.93
  5. Step 5: Solve for x
    x = 107,371,466.93/11,864.39
  6. Step 6: Final answer
    x = 9,049.89

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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.