Home / 18,838.26-25,996.29-10,340.37

Finding the Fourth Proportional to 18,838.26, 25,996.29 and 10,340.37

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Solution

The fourth proportional to 18,838.26, 25,996.29 and 10,340.37 is: 14,269.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.26 : 25,996.29 = 10,340.37 : x
  2. Step 2: Convert to fraction form
    18,838.26/25,996.29 = 10,340.37/x
  3. Step 3: Cross multiply
    18,838.26x = 25,996.29 × 10,340.37
  4. Step 4: Simplify right side
    18,838.26x = 268,811,257.23
  5. Step 5: Solve for x
    x = 268,811,257.23/18,838.26
  6. Step 6: Final answer
    x = 14,269.43

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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.