Home / 12,071.91-16,659.18-6,766.77

Finding the Fourth Proportional to 12,071.91, 16,659.18 and 6,766.77

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Solution

The fourth proportional to 12,071.91, 16,659.18 and 6,766.77 is: 9,338.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,071.91 : 16,659.18 = 6,766.77 : x
  2. Step 2: Convert to fraction form
    12,071.91/16,659.18 = 6,766.77/x
  3. Step 3: Cross multiply
    12,071.91x = 16,659.18 × 6,766.77
  4. Step 4: Simplify right side
    12,071.91x = 112,728,839.45
  5. Step 5: Solve for x
    x = 112,728,839.45/12,071.91
  6. Step 6: Final answer
    x = 9,338.11

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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.