Home / 16,816.91-25,225.12-5,731.31

Finding the Fourth Proportional to 16,816.91, 25,225.12 and 5,731.31

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Solution

The fourth proportional to 16,816.91, 25,225.12 and 5,731.31 is: 8,596.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,816.91 : 25,225.12 = 5,731.31 : x
  2. Step 2: Convert to fraction form
    16,816.91/25,225.12 = 5,731.31/x
  3. Step 3: Cross multiply
    16,816.91x = 25,225.12 × 5,731.31
  4. Step 4: Simplify right side
    16,816.91x = 144,572,953.85
  5. Step 5: Solve for x
    x = 144,572,953.85/16,816.91
  6. Step 6: Final answer
    x = 8,596.88

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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.