Home / 16,771.84-25,157.73-4,291.87

Finding the Fourth Proportional to 16,771.84, 25,157.73 and 4,291.87

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Solution

The fourth proportional to 16,771.84, 25,157.73 and 4,291.87 is: 6,437.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,771.84 : 25,157.73 = 4,291.87 : x
  2. Step 2: Convert to fraction form
    16,771.84/25,157.73 = 4,291.87/x
  3. Step 3: Cross multiply
    16,771.84x = 25,157.73 × 4,291.87
  4. Step 4: Simplify right side
    16,771.84x = 107,973,706.66
  5. Step 5: Solve for x
    x = 107,973,706.66/16,771.84
  6. Step 6: Final answer
    x = 6,437.80

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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.