Home / 17,108.88-25,664-5,261.72

Finding the Fourth Proportional to 17,108.88, 25,664 and 5,261.72

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Solution

The fourth proportional to 17,108.88, 25,664 and 5,261.72 is: 7,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,108.88 : 25,664 = 5,261.72 : x
  2. Step 2: Convert to fraction form
    17,108.88/25,664 = 5,261.72/x
  3. Step 3: Cross multiply
    17,108.88x = 25,664 × 5,261.72
  4. Step 4: Simplify right side
    17,108.88x = 135,036,782.08
  5. Step 5: Solve for x
    x = 135,036,782.08/17,108.88
  6. Step 6: Final answer
    x = 7,892.79

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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.