Home / 13,026.21-19,539.33-3,165.49

Finding the Fourth Proportional to 13,026.21, 19,539.33 and 3,165.49

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Solution

The fourth proportional to 13,026.21, 19,539.33 and 3,165.49 is: 4,748.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.21 : 19,539.33 = 3,165.49 : x
  2. Step 2: Convert to fraction form
    13,026.21/19,539.33 = 3,165.49/x
  3. Step 3: Cross multiply
    13,026.21x = 19,539.33 × 3,165.49
  4. Step 4: Simplify right side
    13,026.21x = 61,851,553.72
  5. Step 5: Solve for x
    x = 61,851,553.72/13,026.21
  6. Step 6: Final answer
    x = 4,748.24

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1.5x scale

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.