Home / 13,026.71-19,540.08-3,165.99

Finding the Fourth Proportional to 13,026.71, 19,540.08 and 3,165.99

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Solution

The fourth proportional to 13,026.71, 19,540.08 and 3,165.99 is: 4,748.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,026.71 : 19,540.08 = 3,165.99 : x
  2. Step 2: Convert to fraction form
    13,026.71/19,540.08 = 3,165.99/x
  3. Step 3: Cross multiply
    13,026.71x = 19,540.08 × 3,165.99
  4. Step 4: Simplify right side
    13,026.71x = 61,863,697.88
  5. Step 5: Solve for x
    x = 61,863,697.88/13,026.71
  6. Step 6: Final answer
    x = 4,748.99

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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.