Home / 13,633.92-18,901.62-13,153.32

Finding the Fourth Proportional to 13,633.92, 18,901.62 and 13,153.32

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Solution

The fourth proportional to 13,633.92, 18,901.62 and 13,153.32 is: 18,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,633.92 : 18,901.62 = 13,153.32 : x
  2. Step 2: Convert to fraction form
    13,633.92/18,901.62 = 13,153.32/x
  3. Step 3: Cross multiply
    13,633.92x = 18,901.62 × 13,153.32
  4. Step 4: Simplify right side
    13,633.92x = 248,619,056.38
  5. Step 5: Solve for x
    x = 248,619,056.38/13,633.92
  6. Step 6: Final answer
    x = 18,235.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.