Home / 11,528.56-17,292.12-5,680

Finding the Fourth Proportional to 11,528.56, 17,292.12 and 5,680

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Solution

The fourth proportional to 11,528.56, 17,292.12 and 5,680 is: 8,519.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,528.56 : 17,292.12 = 5,680 : x
  2. Step 2: Convert to fraction form
    11,528.56/17,292.12 = 5,680/x
  3. Step 3: Cross multiply
    11,528.56x = 17,292.12 × 5,680
  4. Step 4: Simplify right side
    11,528.56x = 98,219,241.60
  5. Step 5: Solve for x
    x = 98,219,241.60/11,528.56
  6. Step 6: Final answer
    x = 8,519.65

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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.