Home / 18,694.17-28,059.96-13,435.35

Finding the Fourth Proportional to 18,694.17, 28,059.96 and 13,435.35

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Solution

The fourth proportional to 18,694.17, 28,059.96 and 13,435.35 is: 20,166.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,694.17 : 28,059.96 = 13,435.35 : x
  2. Step 2: Convert to fraction form
    18,694.17/28,059.96 = 13,435.35/x
  3. Step 3: Cross multiply
    18,694.17x = 28,059.96 × 13,435.35
  4. Step 4: Simplify right side
    18,694.17x = 376,995,383.59
  5. Step 5: Solve for x
    x = 376,995,383.59/18,694.17
  6. Step 6: Final answer
    x = 20,166.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.