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Finding the Fourth Proportional to 12,051.88, 16,632.42 and 6,746.56

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Solution

The fourth proportional to 12,051.88, 16,632.42 and 6,746.56 is: 9,310.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,051.88 : 16,632.42 = 6,746.56 : x
  2. Step 2: Convert to fraction form
    12,051.88/16,632.42 = 6,746.56/x
  3. Step 3: Cross multiply
    12,051.88x = 16,632.42 × 6,746.56
  4. Step 4: Simplify right side
    12,051.88x = 112,211,619.48
  5. Step 5: Solve for x
    x = 112,211,619.48/12,051.88
  6. Step 6: Final answer
    x = 9,310.71

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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.