Home / 13,636.86-20,455.28-6,236.14

Finding the Fourth Proportional to 13,636.86, 20,455.28 and 6,236.14

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Solution

The fourth proportional to 13,636.86, 20,455.28 and 6,236.14 is: 9,354.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,636.86 : 20,455.28 = 6,236.14 : x
  2. Step 2: Convert to fraction form
    13,636.86/20,455.28 = 6,236.14/x
  3. Step 3: Cross multiply
    13,636.86x = 20,455.28 × 6,236.14
  4. Step 4: Simplify right side
    13,636.86x = 127,562,004.32
  5. Step 5: Solve for x
    x = 127,562,004.32/13,636.86
  6. Step 6: Final answer
    x = 9,354.21

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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.