Home / 16,855.34-25,282.80-13,160.61

Finding the Fourth Proportional to 16,855.34, 25,282.80 and 13,160.61

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Solution

The fourth proportional to 16,855.34, 25,282.80 and 13,160.61 is: 19,740.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,855.34 : 25,282.80 = 13,160.61 : x
  2. Step 2: Convert to fraction form
    16,855.34/25,282.80 = 13,160.61/x
  3. Step 3: Cross multiply
    16,855.34x = 25,282.80 × 13,160.61
  4. Step 4: Simplify right side
    16,855.34x = 332,737,070.51
  5. Step 5: Solve for x
    x = 332,737,070.51/16,855.34
  6. Step 6: Final answer
    x = 19,740.76

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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.