Home / 20,071.14-30,107.39-9,535.74

Finding the Fourth Proportional to 20,071.14, 30,107.39 and 9,535.74

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Solution

The fourth proportional to 20,071.14, 30,107.39 and 9,535.74 is: 14,303.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,071.14 : 30,107.39 = 9,535.74 : x
  2. Step 2: Convert to fraction form
    20,071.14/30,107.39 = 9,535.74/x
  3. Step 3: Cross multiply
    20,071.14x = 30,107.39 × 9,535.74
  4. Step 4: Simplify right side
    20,071.14x = 287,096,195.44
  5. Step 5: Solve for x
    x = 287,096,195.44/20,071.14
  6. Step 6: Final answer
    x = 14,303.93

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.