Home / 18,391.53-25,379.94-10,325.39

Finding the Fourth Proportional to 18,391.53, 25,379.94 and 10,325.39

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Solution

The fourth proportional to 18,391.53, 25,379.94 and 10,325.39 is: 14,248.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,391.53 : 25,379.94 = 10,325.39 : x
  2. Step 2: Convert to fraction form
    18,391.53/25,379.94 = 10,325.39/x
  3. Step 3: Cross multiply
    18,391.53x = 25,379.94 × 10,325.39
  4. Step 4: Simplify right side
    18,391.53x = 262,057,690.50
  5. Step 5: Solve for x
    x = 262,057,690.50/18,391.53
  6. Step 6: Final answer
    x = 14,248.82

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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.