Home / 18,383.29-25,369.50-10,425.85

Finding the Fourth Proportional to 18,383.29, 25,369.50 and 10,425.85

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Solution

The fourth proportional to 18,383.29, 25,369.50 and 10,425.85 is: 14,387.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.29 : 25,369.50 = 10,425.85 : x
  2. Step 2: Convert to fraction form
    18,383.29/25,369.50 = 10,425.85/x
  3. Step 3: Cross multiply
    18,383.29x = 25,369.50 × 10,425.85
  4. Step 4: Simplify right side
    18,383.29x = 264,498,577.25
  5. Step 5: Solve for x
    x = 264,498,577.25/18,383.29
  6. Step 6: Final answer
    x = 14,387.99

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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.