Home / 13,301.52-19,950.66-3,439.98

Finding the Fourth Proportional to 13,301.52, 19,950.66 and 3,439.98

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Solution

The fourth proportional to 13,301.52, 19,950.66 and 3,439.98 is: 5,159.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,301.52 : 19,950.66 = 3,439.98 : x
  2. Step 2: Convert to fraction form
    13,301.52/19,950.66 = 3,439.98/x
  3. Step 3: Cross multiply
    13,301.52x = 19,950.66 × 3,439.98
  4. Step 4: Simplify right side
    13,301.52x = 68,629,871.39
  5. Step 5: Solve for x
    x = 68,629,871.39/13,301.52
  6. Step 6: Final answer
    x = 5,159.55

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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.