Home / 11,864.31-16,371.33-6,558.41

Finding the Fourth Proportional to 11,864.31, 16,371.33 and 6,558.41

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Solution

The fourth proportional to 11,864.31, 16,371.33 and 6,558.41 is: 9,049.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,864.31 : 16,371.33 = 6,558.41 : x
  2. Step 2: Convert to fraction form
    11,864.31/16,371.33 = 6,558.41/x
  3. Step 3: Cross multiply
    11,864.31x = 16,371.33 × 6,558.41
  4. Step 4: Simplify right side
    11,864.31x = 107,369,894.39
  5. Step 5: Solve for x
    x = 107,369,894.39/11,864.31
  6. Step 6: Final answer
    x = 9,049.82

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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.