Home / 13,310.63-19,926.09-12,837.49

Finding the Fourth Proportional to 13,310.63, 19,926.09 and 12,837.49

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Solution

The fourth proportional to 13,310.63, 19,926.09 and 12,837.49 is: 19,217.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,310.63 : 19,926.09 = 12,837.49 : x
  2. Step 2: Convert to fraction form
    13,310.63/19,926.09 = 12,837.49/x
  3. Step 3: Cross multiply
    13,310.63x = 19,926.09 × 12,837.49
  4. Step 4: Simplify right side
    13,310.63x = 255,800,981.11
  5. Step 5: Solve for x
    x = 255,800,981.11/13,310.63
  6. Step 6: Final answer
    x = 19,217.80

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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.