Home / 20,164.21-27,817.91-12,597.37

Finding the Fourth Proportional to 20,164.21, 27,817.91 and 12,597.37

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Solution

The fourth proportional to 20,164.21, 27,817.91 and 12,597.37 is: 17,378.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,164.21 : 27,817.91 = 12,597.37 : x
  2. Step 2: Convert to fraction form
    20,164.21/27,817.91 = 12,597.37/x
  3. Step 3: Cross multiply
    20,164.21x = 27,817.91 × 12,597.37
  4. Step 4: Simplify right side
    20,164.21x = 350,432,441.91
  5. Step 5: Solve for x
    x = 350,432,441.91/20,164.21
  6. Step 6: Final answer
    x = 17,378.93

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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.