Home / 15,885.30-23,790.38-13,793.94

Finding the Fourth Proportional to 15,885.30, 23,790.38 and 13,793.94

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Solution

The fourth proportional to 15,885.30, 23,790.38 and 13,793.94 is: 20,658.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,885.30 : 23,790.38 = 13,793.94 : x
  2. Step 2: Convert to fraction form
    15,885.30/23,790.38 = 13,793.94/x
  3. Step 3: Cross multiply
    15,885.30x = 23,790.38 × 13,793.94
  4. Step 4: Simplify right side
    15,885.30x = 328,163,074.30
  5. Step 5: Solve for x
    x = 328,163,074.30/15,885.30
  6. Step 6: Final answer
    x = 20,658.28

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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.