Home / 11,680.60-17,516.30-5,102.19

Finding the Fourth Proportional to 11,680.60, 17,516.30 and 5,102.19

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Solution

The fourth proportional to 11,680.60, 17,516.30 and 5,102.19 is: 7,651.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.60 : 17,516.30 = 5,102.19 : x
  2. Step 2: Convert to fraction form
    11,680.60/17,516.30 = 5,102.19/x
  3. Step 3: Cross multiply
    11,680.60x = 17,516.30 × 5,102.19
  4. Step 4: Simplify right side
    11,680.60x = 89,371,490.70
  5. Step 5: Solve for x
    x = 89,371,490.70/11,680.60
  6. Step 6: Final answer
    x = 7,651.28

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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.