Home / 14,704.39-20,292.27-7,990.14

Finding the Fourth Proportional to 14,704.39, 20,292.27 and 7,990.14

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Solution

The fourth proportional to 14,704.39, 20,292.27 and 7,990.14 is: 11,026.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.39 : 20,292.27 = 7,990.14 : x
  2. Step 2: Convert to fraction form
    14,704.39/20,292.27 = 7,990.14/x
  3. Step 3: Cross multiply
    14,704.39x = 20,292.27 × 7,990.14
  4. Step 4: Simplify right side
    14,704.39x = 162,138,078.22
  5. Step 5: Solve for x
    x = 162,138,078.22/14,704.39
  6. Step 6: Final answer
    x = 11,026.51

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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.