Home / 11,927.93-16,459.92-6,622.61

Finding the Fourth Proportional to 11,927.93, 16,459.92 and 6,622.61

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Solution

The fourth proportional to 11,927.93, 16,459.92 and 6,622.61 is: 9,138.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,927.93 : 16,459.92 = 6,622.61 : x
  2. Step 2: Convert to fraction form
    11,927.93/16,459.92 = 6,622.61/x
  3. Step 3: Cross multiply
    11,927.93x = 16,459.92 × 6,622.61
  4. Step 4: Simplify right side
    11,927.93x = 109,007,548.49
  5. Step 5: Solve for x
    x = 109,007,548.49/11,927.93
  6. Step 6: Final answer
    x = 9,138.85

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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.