Home / 13,026.47-19,539.43-3,165.80

Finding the Fourth Proportional to 13,026.47, 19,539.43 and 3,165.80

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Solution

The fourth proportional to 13,026.47, 19,539.43 and 3,165.80 is: 4,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.47 : 19,539.43 = 3,165.80 : x
  2. Step 2: Convert to fraction form
    13,026.47/19,539.43 = 3,165.80/x
  3. Step 3: Cross multiply
    13,026.47x = 19,539.43 × 3,165.80
  4. Step 4: Simplify right side
    13,026.47x = 61,857,821.88
  5. Step 5: Solve for x
    x = 61,857,821.88/13,026.47
  6. Step 6: Final answer
    x = 4,748.63

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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.