Home / 17,251.63-25,877.96-4,771.76

Finding the Fourth Proportional to 17,251.63, 25,877.96 and 4,771.76

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Solution

The fourth proportional to 17,251.63, 25,877.96 and 4,771.76 is: 7,157.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,251.63 : 25,877.96 = 4,771.76 : x
  2. Step 2: Convert to fraction form
    17,251.63/25,877.96 = 4,771.76/x
  3. Step 3: Cross multiply
    17,251.63x = 25,877.96 × 4,771.76
  4. Step 4: Simplify right side
    17,251.63x = 123,483,411.20
  5. Step 5: Solve for x
    x = 123,483,411.20/17,251.63
  6. Step 6: Final answer
    x = 7,157.78

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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.