Home / 13,664.43-20,507.78-7,092.50

Finding the Fourth Proportional to 13,664.43, 20,507.78 and 7,092.50

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Solution

The fourth proportional to 13,664.43, 20,507.78 and 7,092.50 is: 10,644.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,664.43 : 20,507.78 = 7,092.50 : x
  2. Step 2: Convert to fraction form
    13,664.43/20,507.78 = 7,092.50/x
  3. Step 3: Cross multiply
    13,664.43x = 20,507.78 × 7,092.50
  4. Step 4: Simplify right side
    13,664.43x = 145,451,344.84
  5. Step 5: Solve for x
    x = 145,451,344.84/13,664.43
  6. Step 6: Final answer
    x = 10,644.52

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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.