Home / 14,209.68-19,611.60-8,244.96

Finding the Fourth Proportional to 14,209.68, 19,611.60 and 8,244.96

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Solution

The fourth proportional to 14,209.68, 19,611.60 and 8,244.96 is: 11,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,209.68 : 19,611.60 = 8,244.96 : x
  2. Step 2: Convert to fraction form
    14,209.68/19,611.60 = 8,244.96/x
  3. Step 3: Cross multiply
    14,209.68x = 19,611.60 × 8,244.96
  4. Step 4: Simplify right side
    14,209.68x = 161,696,857.54
  5. Step 5: Solve for x
    x = 161,696,857.54/14,209.68
  6. Step 6: Final answer
    x = 11,379.35

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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.