Home / 18,384.54-25,369.73-10,429.33

Finding the Fourth Proportional to 18,384.54, 25,369.73 and 10,429.33

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Solution

The fourth proportional to 18,384.54, 25,369.73 and 10,429.33 is: 14,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.54 : 25,369.73 = 10,429.33 : x
  2. Step 2: Convert to fraction form
    18,384.54/25,369.73 = 10,429.33/x
  3. Step 3: Cross multiply
    18,384.54x = 25,369.73 × 10,429.33
  4. Step 4: Simplify right side
    18,384.54x = 264,589,357.97
  5. Step 5: Solve for x
    x = 264,589,357.97/18,384.54
  6. Step 6: Final answer
    x = 14,391.95

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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.