Home / 15,950.20-23,868.60-13,892.80

Finding the Fourth Proportional to 15,950.20, 23,868.60 and 13,892.80

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Solution

The fourth proportional to 15,950.20, 23,868.60 and 13,892.80 is: 20,789.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,950.20 : 23,868.60 = 13,892.80 : x
  2. Step 2: Convert to fraction form
    15,950.20/23,868.60 = 13,892.80/x
  3. Step 3: Cross multiply
    15,950.20x = 23,868.60 × 13,892.80
  4. Step 4: Simplify right side
    15,950.20x = 331,601,686.08
  5. Step 5: Solve for x
    x = 331,601,686.08/15,950.20
  6. Step 6: Final answer
    x = 20,789.81

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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.