Home / 23,989.71-33,107.11-13,379.30

Finding the Fourth Proportional to 23,989.71, 33,107.11 and 13,379.30

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Solution

The fourth proportional to 23,989.71, 33,107.11 and 13,379.30 is: 18,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,989.71 : 33,107.11 = 13,379.30 : x
  2. Step 2: Convert to fraction form
    23,989.71/33,107.11 = 13,379.30/x
  3. Step 3: Cross multiply
    23,989.71x = 33,107.11 × 13,379.30
  4. Step 4: Simplify right side
    23,989.71x = 442,949,791.29
  5. Step 5: Solve for x
    x = 442,949,791.29/23,989.71
  6. Step 6: Final answer
    x = 18,464.16

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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.