Home / 13,633.82-20,428.71-11,446.82

Finding the Fourth Proportional to 13,633.82, 20,428.71 and 11,446.82

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Solution

The fourth proportional to 13,633.82, 20,428.71 and 11,446.82 is: 17,151.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.82 : 20,428.71 = 11,446.82 : x
  2. Step 2: Convert to fraction form
    13,633.82/20,428.71 = 11,446.82/x
  3. Step 3: Cross multiply
    13,633.82x = 20,428.71 × 11,446.82
  4. Step 4: Simplify right side
    13,633.82x = 233,843,697.74
  5. Step 5: Solve for x
    x = 233,843,697.74/13,633.82
  6. Step 6: Final answer
    x = 17,151.74

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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.