Home / 11,682.34-16,122.09-6,647.02

Finding the Fourth Proportional to 11,682.34, 16,122.09 and 6,647.02

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Solution

The fourth proportional to 11,682.34, 16,122.09 and 6,647.02 is: 9,173.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,682.34 : 16,122.09 = 6,647.02 : x
  2. Step 2: Convert to fraction form
    11,682.34/16,122.09 = 6,647.02/x
  3. Step 3: Cross multiply
    11,682.34x = 16,122.09 × 6,647.02
  4. Step 4: Simplify right side
    11,682.34x = 107,163,854.67
  5. Step 5: Solve for x
    x = 107,163,854.67/11,682.34
  6. Step 6: Final answer
    x = 9,173.15

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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.