Home / 14,640.05-20,206.59-11,447.03

Finding the Fourth Proportional to 14,640.05, 20,206.59 and 11,447.03

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Solution

The fourth proportional to 14,640.05, 20,206.59 and 11,447.03 is: 15,799.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,640.05 : 20,206.59 = 11,447.03 : x
  2. Step 2: Convert to fraction form
    14,640.05/20,206.59 = 11,447.03/x
  3. Step 3: Cross multiply
    14,640.05x = 20,206.59 × 11,447.03
  4. Step 4: Simplify right side
    14,640.05x = 231,305,441.93
  5. Step 5: Solve for x
    x = 231,305,441.93/14,640.05
  6. Step 6: Final answer
    x = 15,799.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.