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Finding the Fourth Proportional to 12,041.64, 16,617.48 and 6,736.56

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Solution

The fourth proportional to 12,041.64, 16,617.48 and 6,736.56 is: 9,296.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,041.64 : 16,617.48 = 6,736.56 : x
  2. Step 2: Convert to fraction form
    12,041.64/16,617.48 = 6,736.56/x
  3. Step 3: Cross multiply
    12,041.64x = 16,617.48 × 6,736.56
  4. Step 4: Simplify right side
    12,041.64x = 111,944,651.07
  5. Step 5: Solve for x
    x = 111,944,651.07/12,041.64
  6. Step 6: Final answer
    x = 9,296.46

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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.