Home / 14,902.11-20,564.84-8,188.16

Finding the Fourth Proportional to 14,902.11, 20,564.84 and 8,188.16

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Solution

The fourth proportional to 14,902.11, 20,564.84 and 8,188.16 is: 11,299.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,902.11 : 20,564.84 = 8,188.16 : x
  2. Step 2: Convert to fraction form
    14,902.11/20,564.84 = 8,188.16/x
  3. Step 3: Cross multiply
    14,902.11x = 20,564.84 × 8,188.16
  4. Step 4: Simplify right side
    14,902.11x = 168,388,056.53
  5. Step 5: Solve for x
    x = 168,388,056.53/14,902.11
  6. Step 6: Final answer
    x = 11,299.61

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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.