Home / 15,885.62-23,790.85-13,794.25

Finding the Fourth Proportional to 15,885.62, 23,790.85 and 13,794.25

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Solution

The fourth proportional to 15,885.62, 23,790.85 and 13,794.25 is: 20,658.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.62 : 23,790.85 = 13,794.25 : x
  2. Step 2: Convert to fraction form
    15,885.62/23,790.85 = 13,794.25/x
  3. Step 3: Cross multiply
    15,885.62x = 23,790.85 × 13,794.25
  4. Step 4: Simplify right side
    15,885.62x = 328,176,998.34
  5. Step 5: Solve for x
    x = 328,176,998.34/15,885.62
  6. Step 6: Final answer
    x = 20,658.75

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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.