Home / 13,026.70-19,539.90-3,165.97

Finding the Fourth Proportional to 13,026.70, 19,539.90 and 3,165.97

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Solution

The fourth proportional to 13,026.70, 19,539.90 and 3,165.97 is: 4,748.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.70 : 19,539.90 = 3,165.97 : x
  2. Step 2: Convert to fraction form
    13,026.70/19,539.90 = 3,165.97/x
  3. Step 3: Cross multiply
    13,026.70x = 19,539.90 × 3,165.97
  4. Step 4: Simplify right side
    13,026.70x = 61,862,737.20
  5. Step 5: Solve for x
    x = 61,862,737.20/13,026.70
  6. Step 6: Final answer
    x = 4,748.92

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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.