Home / 13,026.45-19,539.69-3,165.66

Finding the Fourth Proportional to 13,026.45, 19,539.69 and 3,165.66

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Solution

The fourth proportional to 13,026.45, 19,539.69 and 3,165.66 is: 4,748.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.45 : 19,539.69 = 3,165.66 : x
  2. Step 2: Convert to fraction form
    13,026.45/19,539.69 = 3,165.66/x
  3. Step 3: Cross multiply
    13,026.45x = 19,539.69 × 3,165.66
  4. Step 4: Simplify right side
    13,026.45x = 61,856,074.09
  5. Step 5: Solve for x
    x = 61,856,074.09/13,026.45
  6. Step 6: Final answer
    x = 4,748.50

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Similar ratio
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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.