Home / 14,954.38-20,636.29-8,238.92

Finding the Fourth Proportional to 14,954.38, 20,636.29 and 8,238.92

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Solution

The fourth proportional to 14,954.38, 20,636.29 and 8,238.92 is: 11,369.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,954.38 : 20,636.29 = 8,238.92 : x
  2. Step 2: Convert to fraction form
    14,954.38/20,636.29 = 8,238.92/x
  3. Step 3: Cross multiply
    14,954.38x = 20,636.29 × 8,238.92
  4. Step 4: Simplify right side
    14,954.38x = 170,020,759.76
  5. Step 5: Solve for x
    x = 170,020,759.76/14,954.38
  6. Step 6: Final answer
    x = 11,369.30

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