Home / 16,918.24-25,406.40-10,382.80

Finding the Fourth Proportional to 16,918.24, 25,406.40 and 10,382.80

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Solution

The fourth proportional to 16,918.24, 25,406.40 and 10,382.80 is: 15,592.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,918.24 : 25,406.40 = 10,382.80 : x
  2. Step 2: Convert to fraction form
    16,918.24/25,406.40 = 10,382.80/x
  3. Step 3: Cross multiply
    16,918.24x = 25,406.40 × 10,382.80
  4. Step 4: Simplify right side
    16,918.24x = 263,789,569.92
  5. Step 5: Solve for x
    x = 263,789,569.92/16,918.24
  6. Step 6: Final answer
    x = 15,592.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.