Home / 16,859.20-23,262.24-13,709.92

Finding the Fourth Proportional to 16,859.20, 23,262.24 and 13,709.92

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Solution

The fourth proportional to 16,859.20, 23,262.24 and 13,709.92 is: 18,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,859.20 : 23,262.24 = 13,709.92 : x
  2. Step 2: Convert to fraction form
    16,859.20/23,262.24 = 13,709.92/x
  3. Step 3: Cross multiply
    16,859.20x = 23,262.24 × 13,709.92
  4. Step 4: Simplify right side
    16,859.20x = 318,923,449.42
  5. Step 5: Solve for x
    x = 318,923,449.42/16,859.20
  6. Step 6: Final answer
    x = 18,916.88

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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.