Home / 13,026.61-19,539.92-3,165.90

Finding the Fourth Proportional to 13,026.61, 19,539.92 and 3,165.90

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Solution

The fourth proportional to 13,026.61, 19,539.92 and 3,165.90 is: 4,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.61 : 19,539.92 = 3,165.90 : x
  2. Step 2: Convert to fraction form
    13,026.61/19,539.92 = 3,165.90/x
  3. Step 3: Cross multiply
    13,026.61x = 19,539.92 × 3,165.90
  4. Step 4: Simplify right side
    13,026.61x = 61,861,349.56
  5. Step 5: Solve for x
    x = 61,861,349.56/13,026.61
  6. Step 6: Final answer
    x = 4,748.84

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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.