Home / 14,704.39-20,286.69-9,671.32

Finding the Fourth Proportional to 14,704.39, 20,286.69 and 9,671.32

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Solution

The fourth proportional to 14,704.39, 20,286.69 and 9,671.32 is: 13,342.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,704.39 : 20,286.69 = 9,671.32 : x
  2. Step 2: Convert to fraction form
    14,704.39/20,286.69 = 9,671.32/x
  3. Step 3: Cross multiply
    14,704.39x = 20,286.69 × 9,671.32
  4. Step 4: Simplify right side
    14,704.39x = 196,199,070.73
  5. Step 5: Solve for x
    x = 196,199,070.73/14,704.39
  6. Step 6: Final answer
    x = 13,342.89

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Half scale
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Double scale
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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.