Home / 11,983.41-16,537.30-6,678.21

Finding the Fourth Proportional to 11,983.41, 16,537.30 and 6,678.21

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Solution

The fourth proportional to 11,983.41, 16,537.30 and 6,678.21 is: 9,216.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,983.41 : 16,537.30 = 6,678.21 : x
  2. Step 2: Convert to fraction form
    11,983.41/16,537.30 = 6,678.21/x
  3. Step 3: Cross multiply
    11,983.41x = 16,537.30 × 6,678.21
  4. Step 4: Simplify right side
    11,983.41x = 110,439,607.55
  5. Step 5: Solve for x
    x = 110,439,607.55/11,983.41
  6. Step 6: Final answer
    x = 9,216.04

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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.