Home / 17,134.81-25,675.52-8,240.54

Finding the Fourth Proportional to 17,134.81, 25,675.52 and 8,240.54

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Solution

The fourth proportional to 17,134.81, 25,675.52 and 8,240.54 is: 12,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,134.81 : 25,675.52 = 8,240.54 : x
  2. Step 2: Convert to fraction form
    17,134.81/25,675.52 = 8,240.54/x
  3. Step 3: Cross multiply
    17,134.81x = 25,675.52 × 8,240.54
  4. Step 4: Simplify right side
    17,134.81x = 211,579,980.00
  5. Step 5: Solve for x
    x = 211,579,980.00/17,134.81
  6. Step 6: Final answer
    x = 12,347.96

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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.