Home / 17,917.84-24,736.96-11,969.20

Finding the Fourth Proportional to 17,917.84, 24,736.96 and 11,969.20

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Solution

The fourth proportional to 17,917.84, 24,736.96 and 11,969.20 is: 16,524.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,917.84 : 24,736.96 = 11,969.20 : x
  2. Step 2: Convert to fraction form
    17,917.84/24,736.96 = 11,969.20/x
  3. Step 3: Cross multiply
    17,917.84x = 24,736.96 × 11,969.20
  4. Step 4: Simplify right side
    17,917.84x = 296,081,621.63
  5. Step 5: Solve for x
    x = 296,081,621.63/17,917.84
  6. Step 6: Final answer
    x = 16,524.40

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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.