Home / 20,263.58-27,964.21-12,710.23

Finding the Fourth Proportional to 20,263.58, 27,964.21 and 12,710.23

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Solution

The fourth proportional to 20,263.58, 27,964.21 and 12,710.23 is: 17,540.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,263.58 : 27,964.21 = 12,710.23 : x
  2. Step 2: Convert to fraction form
    20,263.58/27,964.21 = 12,710.23/x
  3. Step 3: Cross multiply
    20,263.58x = 27,964.21 × 12,710.23
  4. Step 4: Simplify right side
    20,263.58x = 355,431,538.09
  5. Step 5: Solve for x
    x = 355,431,538.09/20,263.58
  6. Step 6: Final answer
    x = 17,540.41

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Double scale
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Similar ratio
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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.