Home / 13,874.13-19,145.32-8,763.68

Finding the Fourth Proportional to 13,874.13, 19,145.32 and 8,763.68

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Solution

The fourth proportional to 13,874.13, 19,145.32 and 8,763.68 is: 12,093.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,874.13 : 19,145.32 = 8,763.68 : x
  2. Step 2: Convert to fraction form
    13,874.13/19,145.32 = 8,763.68/x
  3. Step 3: Cross multiply
    13,874.13x = 19,145.32 × 8,763.68
  4. Step 4: Simplify right side
    13,874.13x = 167,783,457.98
  5. Step 5: Solve for x
    x = 167,783,457.98/13,874.13
  6. Step 6: Final answer
    x = 12,093.26

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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.