Home / 18,310.05-25,267.75-10,352.31

Finding the Fourth Proportional to 18,310.05, 25,267.75 and 10,352.31

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Solution

The fourth proportional to 18,310.05, 25,267.75 and 10,352.31 is: 14,286.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,310.05 : 25,267.75 = 10,352.31 : x
  2. Step 2: Convert to fraction form
    18,310.05/25,267.75 = 10,352.31/x
  3. Step 3: Cross multiply
    18,310.05x = 25,267.75 × 10,352.31
  4. Step 4: Simplify right side
    18,310.05x = 261,579,460.37
  5. Step 5: Solve for x
    x = 261,579,460.37/18,310.05
  6. Step 6: Final answer
    x = 14,286.11

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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.