Home / 12,042.15-16,618.16-6,736.97

Finding the Fourth Proportional to 12,042.15, 16,618.16 and 6,736.97

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Solution

The fourth proportional to 12,042.15, 16,618.16 and 6,736.97 is: 9,297.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,042.15 : 16,618.16 = 6,736.97 : x
  2. Step 2: Convert to fraction form
    12,042.15/16,618.16 = 6,736.97/x
  3. Step 3: Cross multiply
    12,042.15x = 16,618.16 × 6,736.97
  4. Step 4: Simplify right side
    12,042.15x = 111,955,928.60
  5. Step 5: Solve for x
    x = 111,955,928.60/12,042.15
  6. Step 6: Final answer
    x = 9,297.00

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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.