Home / 23,990.71-33,107.23-13,381.03

Finding the Fourth Proportional to 23,990.71, 33,107.23 and 13,381.03

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Solution

The fourth proportional to 23,990.71, 33,107.23 and 13,381.03 is: 18,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,990.71 : 33,107.23 = 13,381.03 : x
  2. Step 2: Convert to fraction form
    23,990.71/33,107.23 = 13,381.03/x
  3. Step 3: Cross multiply
    23,990.71x = 33,107.23 × 13,381.03
  4. Step 4: Simplify right side
    23,990.71x = 443,008,696.54
  5. Step 5: Solve for x
    x = 443,008,696.54/23,990.71
  6. Step 6: Final answer
    x = 18,465.84

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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.