Home / 16,855.28-23,267.73-10,889.85

Finding the Fourth Proportional to 16,855.28, 23,267.73 and 10,889.85

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Solution

The fourth proportional to 16,855.28, 23,267.73 and 10,889.85 is: 15,032.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.28 : 23,267.73 = 10,889.85 : x
  2. Step 2: Convert to fraction form
    16,855.28/23,267.73 = 10,889.85/x
  3. Step 3: Cross multiply
    16,855.28x = 23,267.73 × 10,889.85
  4. Step 4: Simplify right side
    16,855.28x = 253,382,089.54
  5. Step 5: Solve for x
    x = 253,382,089.54/16,855.28
  6. Step 6: Final answer
    x = 15,032.80

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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.