Home / 13,708.33-20,564.08-12,960.97

Finding the Fourth Proportional to 13,708.33, 20,564.08 and 12,960.97

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Solution

The fourth proportional to 13,708.33, 20,564.08 and 12,960.97 is: 19,442.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,708.33 : 20,564.08 = 12,960.97 : x
  2. Step 2: Convert to fraction form
    13,708.33/20,564.08 = 12,960.97/x
  3. Step 3: Cross multiply
    13,708.33x = 20,564.08 × 12,960.97
  4. Step 4: Simplify right side
    13,708.33x = 266,530,340.14
  5. Step 5: Solve for x
    x = 266,530,340.14/13,708.33
  6. Step 6: Final answer
    x = 19,442.95

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1.5x scale

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.