Home / 13,293.77-19,940.72-3,432.37

Finding the Fourth Proportional to 13,293.77, 19,940.72 and 3,432.37

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Solution

The fourth proportional to 13,293.77, 19,940.72 and 3,432.37 is: 5,148.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,293.77 : 19,940.72 = 3,432.37 : x
  2. Step 2: Convert to fraction form
    13,293.77/19,940.72 = 3,432.37/x
  3. Step 3: Cross multiply
    13,293.77x = 19,940.72 × 3,432.37
  4. Step 4: Simplify right side
    13,293.77x = 68,443,929.11
  5. Step 5: Solve for x
    x = 68,443,929.11/13,293.77
  6. Step 6: Final answer
    x = 5,148.57

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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.