Home / 17,415.85-26,110.38-8,643.96

Finding the Fourth Proportional to 17,415.85, 26,110.38 and 8,643.96

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Solution

The fourth proportional to 17,415.85, 26,110.38 and 8,643.96 is: 12,959.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,415.85 : 26,110.38 = 8,643.96 : x
  2. Step 2: Convert to fraction form
    17,415.85/26,110.38 = 8,643.96/x
  3. Step 3: Cross multiply
    17,415.85x = 26,110.38 × 8,643.96
  4. Step 4: Simplify right side
    17,415.85x = 225,697,080.30
  5. Step 5: Solve for x
    x = 225,697,080.30/17,415.85
  6. Step 6: Final answer
    x = 12,959.29

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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.