Home / 11,680.89-17,528.61-4,755.39

Finding the Fourth Proportional to 11,680.89, 17,528.61 and 4,755.39

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Solution

The fourth proportional to 11,680.89, 17,528.61 and 4,755.39 is: 7,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.89 : 17,528.61 = 4,755.39 : x
  2. Step 2: Convert to fraction form
    11,680.89/17,528.61 = 4,755.39/x
  3. Step 3: Cross multiply
    11,680.89x = 17,528.61 × 4,755.39
  4. Step 4: Simplify right side
    11,680.89x = 83,355,376.71
  5. Step 5: Solve for x
    x = 83,355,376.71/11,680.89
  6. Step 6: Final answer
    x = 7,136.05

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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.