Home / 11,860.21-16,366.92-6,554.91

Finding the Fourth Proportional to 11,860.21, 16,366.92 and 6,554.91

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Solution

The fourth proportional to 11,860.21, 16,366.92 and 6,554.91 is: 9,045.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,860.21 : 16,366.92 = 6,554.91 : x
  2. Step 2: Convert to fraction form
    11,860.21/16,366.92 = 6,554.91/x
  3. Step 3: Cross multiply
    11,860.21x = 16,366.92 × 6,554.91
  4. Step 4: Simplify right side
    11,860.21x = 107,283,687.58
  5. Step 5: Solve for x
    x = 107,283,687.58/11,860.21
  6. Step 6: Final answer
    x = 9,045.68

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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.