Home / 16,871.91-25,283.26-9,490.79

Finding the Fourth Proportional to 16,871.91, 25,283.26 and 9,490.79

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Solution

The fourth proportional to 16,871.91, 25,283.26 and 9,490.79 is: 14,222.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,871.91 : 25,283.26 = 9,490.79 : x
  2. Step 2: Convert to fraction form
    16,871.91/25,283.26 = 9,490.79/x
  3. Step 3: Cross multiply
    16,871.91x = 25,283.26 × 9,490.79
  4. Step 4: Simplify right side
    16,871.91x = 239,957,990.64
  5. Step 5: Solve for x
    x = 239,957,990.64/16,871.91
  6. Step 6: Final answer
    x = 14,222.34

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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.