Home / 13,296.05-19,943.16-3,434.96

Finding the Fourth Proportional to 13,296.05, 19,943.16 and 3,434.96

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Solution

The fourth proportional to 13,296.05, 19,943.16 and 3,434.96 is: 5,152.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,296.05 : 19,943.16 = 3,434.96 : x
  2. Step 2: Convert to fraction form
    13,296.05/19,943.16 = 3,434.96/x
  3. Step 3: Cross multiply
    13,296.05x = 19,943.16 × 3,434.96
  4. Step 4: Simplify right side
    13,296.05x = 68,503,900.99
  5. Step 5: Solve for x
    x = 68,503,900.99/13,296.05
  6. Step 6: Final answer
    x = 5,152.20

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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.